TASK DEFINITION: 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.
PROBLEM: There is 0.16666666666666666 cup of oil in Scarlett 's measuring cup . If Scarlett adds 0.6666666666666666 cup more , how much oil will be in the measuring cup ?

SOLUTION: 0.8333333333333334

PROBLEM: There are 139 erasers and 118 scissors in the drawer . Jason placed 131 erasers in the drawer . How many erasers are now there in total ?

SOLUTION: 270

PROBLEM: Each day , the polar bear at Richmond 's zoo eats 0.2 bucket of trout and 0.4 bucket of salmon . How many buckets of fish does the polar bear eat daily ?

SOLUTION:
0.6