give resolution time in minutes for the given user story, only provide the number of minutes in the output without any other text

User story: I had trouble to install latest acs after it was published to npm    here is the error I'm getting.     {noformat}  Weis-MacBook-Pro:~ Wei$  sudo npm -g install acs  npm http GET https://registry.npmjs.org/acs  npm http 304 https://registry.npmjs.org/acs  npm http GET https://registry.npmjs.org/colors/0.6.0-1  npm http GET https://registry.npmjs.org/commander/0.6.1  npm http GET https://registry.npmjs.org/esprima/0.9.9  npm http GET https://registry.npmjs.org/connect/2.3.5  npm http GET https://registry.npmjs.org/express/3.0.0  npm http GET https://registry.npmjs.org/ejs/0.8.0  npm http GET https://registry.npmjs.org/fstream/0.1.18  npm http GET https://registry.npmjs.org/log4js/0.5.1  npm http GET https://registry.npmjs.org/mkdirp/0.3.3  npm http GET https://registry.npmjs.org/node-uuid/1.3.3  npm http GET https://registry.npmjs.org/pkginfo/0.2.2  npm http GET https://registry.npmjs.org/request/2.14.0  npm http GET https://registry.npmjs.org/socket.io/0.9.16  npm http GET https://registry.npmjs.org/string/1.1.0  npm http GET https://registry.npmjs.org/tar/0.1.13  npm http GET https://registry.npmjs.org/temp/0.4.0  npm http GET https://registry.npmjs.org/uglify-js/1.3.2  npm http GET https://registry.npmjs.org/npm  npm http GET https://registry.npmjs.org/underscore/1.3.3  npm http GET https://registry.npmjs.org/wrench/1.3.9  npm http GET https://registry.npmjs.org/jade/0.28.1  npm http GET https://registry.npmjs.org/acs-node/0.9.2  npm http 304 https://registry.npmjs.org/colors/0.6.0-1  npm http 304 https://registry.npmjs.org/commander/0.6.1  npm http 304 https://registry.npmjs.org/connect/2.3.5  npm http 304 https://registry.npmjs.org/express/3.0.0  npm http 304 https://registry.npmjs.org/esprima/0.9.9  npm http 304 https://registry.npmjs.org/ejs/0.8.0  npm http 304 https://registry.npmjs.org/node-uuid/1.3.3  npm http 304 https://registry.npmjs.org/fstream/0.1.18  npm http 304 https://registry.npmjs.org/mkdirp/0.3.3  npm http 304 https://registry.npmjs.org/log4js/0.5.1  npm http 304 https://registry.npmjs.org/pkginfo/0.2.2  npm http 304 https://registry.npmjs.org/socket.io/0.9.16  npm http 304 https://registry.npmjs.org/request/2.14.0  npm http 304 https://registry.npmjs.org/tar/0.1.13  npm http 304 https://registry.npmjs.org/npm  npm http 304 https://registry.npmjs.org/string/1.1.0  npm http 304 https://registry.npmjs.org/uglify-js/1.3.2  npm http 304 https://registry.npmjs.org/underscore/1.3.3  npm http 304 https://registry.npmjs.org/temp/0.4.0  npm http 304 https://registry.npmjs.org/wrench/1.3.9  npm http 304 https://registry.npmjs.org/jade/0.28.1  npm http 304 https://registry.npmjs.org/acs-node/0.9.2  npm WARN engine tar@0.1.13: wanted: {"node":"~0.5.9 || 0.6 || 0.7 || 0.8"} (current: {"node":"v0.10.24","npm":"1.3.21"})  npm http GET https://registry.npmjs.org/rimraf  npm http GET https://registry.npmjs.org/graceful-fs  npm http GET https://registry.npmjs.org/inherits  npm http 304 https://registry.npmjs.org/graceful-fs  npm http 304 https://registry.npmjs.org/rimraf  npm http 304 https://registry.npmjs.org/inherits  npm http GET https://registry.npmjs.org/connect/2.6.0  npm http GET https://registry.npmjs.org/range-parser/0.0.4  npm http GET https://registry.npmjs.org/cookie/0.0.4  npm http GET https://registry.npmjs.org/crc/0.2.0  npm http GET https://registry.npmjs.org/block-stream  npm http GET https://registry.npmjs.org/methods/0.0.1  npm http GET https://registry.npmjs.org/send/0.1.0  npm http GET https://registry.npmjs.org/fresh/0.1.0  npm http GET https://registry.npmjs.org/debug  npm http GET https://registry.npmjs.org/redis/0.7.3  npm http GET https://registry.npmjs.org/socket.io-client/0.9.16  npm http GET https://registry.npmjs.org/policyfile/0.0.4  npm http 304 https://registry.npmjs.org/block-stream  npm http GET https://registry.npmjs.org/base64id/0.1.0  npm http 304 https://registry.npmjs.org/range-parser/0.0.4  npm http 304 https://registry.npmjs.org/crc/0.2.0  npm http 304 https://registry.npmjs.org/connect/2.6.0  npm http 304 https://registry.npmjs.org/cookie/0.0.4  npm http 304 https://registry.npmjs.org/methods/0.0.1  npm http 304 https://registry.npmjs.org/debug  npm http 304 https://registry.npmjs.org/fresh/0.1.0  npm http 304 https://registry.npmjs.org/send/0.1.0  npm http 304 https://registry.npmjs.org/redis/0.7.3  npm http GET https://registry.npmjs.org/async/0.1.15  npm http 304 https://registry.npmjs.org/socket.io-client/0.9.16  npm http 304 https://registry.npmjs.org/policyfile/0.0.4  npm http 304 https://registry.npmjs.org/base64id/0.1.0  npm http GET https://registry.npmjs.org/coffee-script  npm http 304 https://registry.npmjs.org/async/0.1.15  npm http 304 https://registry.npmjs.org/coffee-script  npm http GET https://registry.npmjs.org/mime/1.2.6  npm http GET https://registry.npmjs.org/ms/0.6.2  npm http 304 https://registry.npmjs.org/mime/1.2.6  npm http 304 https://registry.npmjs.org/ms/0.6.2  npm http GET https://registry.npmjs.org/qs/0.4.2  npm http GET https://registry.npmjs.org/mime/1.2.4  npm http GET https://registry.npmjs.org/formidable/1.0.11  npm http GET https://registry.npmjs.org/fresh/0.0.1  npm http GET https://registry.npmjs.org/bytes/0.0.1  npm http 304 https://registry.npmjs.org/formidable/1.0.11  npm http 304 https://registry.npmjs.org/bytes/0.0.1  npm http 304 https://registry.npmjs.org/mime/1.2.4  npm http 304 https://registry.npmjs.org/fresh/0.0.1  npm http 304 https://registry.npmjs.org/qs/0.4.2  npm http GET https://registry.npmjs.org/bytes/0.1.0  npm http GET https://registry.npmjs.org/qs/0.5.1  npm http GET https://registry.npmjs.org/send/0.0.4  npm http GET https://registry.npmjs.org/pause/0.0.1  npm http 304 https://registry.npmjs.org/bytes/0.1.0  npm http 304 https://registry.npmjs.org/qs/0.5.1  npm http 304 https://registry.npmjs.org/send/0.0.4  npm http 304 https://registry.npmjs.org/pause/0.0.1  npm http GET https://registry.npmjs.org/uglify-js/1.2.5  npm http GET https://registry.npmjs.org/ws  npm http GET https://registry.npmjs.org/xmlhttprequest/1.4.2  npm http GET https://registry.npmjs.org/active-x-obfuscator/0.0.1  npm http 304 https://registry.npmjs.org/ws  npm http 304 https://registry.npmjs.org/uglify-js/1.2.5  npm http 304 https://registry.npmjs.org/active-x-obfuscator/0.0.1  npm http 304 https://registry.npmjs.org/xmlhttprequest/1.4.2  npm http GET https://registry.npmjs.org/zeparser/0.0.5  npm http 304 https://registry.npmjs.org/zeparser/0.0.5  npm http GET https://registry.npmjs.org/options  npm http GET https://registry.npmjs.org/nan  npm http GET https://registry.npmjs.org/tinycolor  npm http 304 https://registry.npmjs.org/nan  npm http 304 https://registry.npmjs.org/options  npm http 304 https://registry.npmjs.org/tinycolor    > ws@0.4.31 install /usr/local/lib/node_modules/acs/node_modules/socket.io/node_modules/socket.io-client/node_modules/ws  > (node-gyp rebuild 2> builderror.log) || (exit 0)      CXX(target) Release/obj.target/bufferutil/src/bufferutil.o    SOLINK_MODULE(target) Release/bufferutil.node    SOLINK_MODULE(target) Release/bufferutil.node: Finished    CXX(target) Release/obj.target/validation/src/validation.o    SOLINK_MODULE(target) Release/validation.node    SOLINK_MODULE(target) Release/validation.node: Finished  npm WARN package.json github-url-from-git@1.1.1 No repository field.  /usr/local/bin/acs -> /usr/local/lib/node_modules/acs/bin/acs  /usr/local/bin/acs-debug -> /usr/local/lib/node_modules/acs/bin/acs-debug    > acs@1.0.15 postinstall /usr/local/lib/node_modules/acs  > node scripts/config.js      fs.js:427    return binding.open(pathModule._makeLong(path), stringToFlags(flags), mode);                   ^  Error: ENOENT, no such file or directory '/usr/local/lib/node_modules/acs/bin/acsx'      at Object.fs.openSync (fs.js:427:18)      at Object.fs.readFileSync (fs.js:284:15)      at Object.<anonymous> (/usr/local/lib/node_modules/acs/scripts/config.js:21:19)      at Module._compile (module.js:456:26)      at Object.Module._extensions..js (module.js:474:10)      at Module.load (module.js:356:32)      at Function.Module._load (module.js:312:12)      at Function.Module.runMain (module.js:497:10)      at startup (node.js:119:16)      at node.js:902:3  npm ERR! acs@1.0.15 postinstall: `node scripts/config.js`  npm ERR! Exit status 8  npm ERR!   npm ERR! Failed at the acs@1.0.15 postinstall script.  npm ERR! This is most likely a problem with the acs package,  npm ERR! not with npm itself.  npm ERR! Tell the author that this fails on your system:  npm ERR!     node scripts/config.js  npm ERR! You can get their info via:  npm ERR!     npm owner ls acs  npm ERR! There is likely additional logging output above.    npm ERR! System Darwin 13.3.0  npm ERR! command "node" "/usr/local/bin/npm" "-g" "install" "acs"  npm ERR! cwd /Users/Wei  npm ERR! node -v v0.10.24  npm ERR! npm -v 1.3.21  npm ERR! code ELIFECYCLE  npm ERR!   npm ERR! Additional logging details can be found in:  npm ERR!     /Users/Wei/npm-debug.log  npm ERR! not ok code 0  {noformat}    AFtre I did    # rm -rf ~/.npm  # npm cache clear    then it started to work again. so we should document this in the trouble shooting guide. 
Answer: 30498.0