You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.

There were 10 students riding on the school bus . At the first stop , 3 students got off of the bus . How many students are left on the bus ?
7

Professor Ellison weighed 2 pieces of metal for an experiment . The piece of iron weighed 11.166666666666666 pounds and the piece of aluminum weighed 0.8333333333333334 pound . How much more did the piece of iron weigh than the piece of aluminum ?
10.333333333333334

Gloria has 9 boxes of tickets . Each box holds 5 tickets and there are 10 boxes in a case . How many tickets does Gloria have ?

45