instruction:
You are given a math word problem and you are supposed to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
question:
Henry had 11 dollars . For his birthday he got 18 more dollars but spent 10 on a new game . How much money does he have now ?
answer:
19


question:
A ship full of grain crashes into a coral reef . By the time the ship is fixed , 49952 tons of grain have spilled into the water . Only 918 tons of grain remain onboard . How many tons of grain did the ship originally contain ?
answer:
50870


question:
There are 41 crayons and 26 pencils in the drawer . Sam placed 12 crayons in the drawer . How many crayons are now there in total ?
answer:

53