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.

Shannon and her family use up a lot of strawberry and blueberry jelly , since they eat toast every morning . At the moment , they have a combined total of 6310 grams of jelly . If they have 4518 grams of blueberry jelly , how many grams of strawberry jelly do they have ?
1792

There are 9 crayons in the drawer . Benny placed 3 crayons in the drawer . How many crayons are now there in total ?
12

In a school , there are 542 girls and 387 boys . How many pupils are there in that school ?

929