TASK DEFINITION: You are given a math word problem and you are supposed to apply a single mathematical operator like addition, subtraction, multiplication, or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
PROBLEM: ellen has 6 more balls than marin . marin has 9 balls . how many balls does ellen have ?

SOLUTION: 15

PROBLEM: next on his checklist are the strawberry fields . there he found out that they can get 268 kg of fruit for every row of strawberry plants . if there are 7 rows of strawberry plants how many kilograms of strawberries can they harvest ?

SOLUTION: 1876

PROBLEM: kendra took a road trip . in the afternoon she saw 4 minivans like hers . later in the evening she saw 1 more minivan like hers . how many minivans like hers did she see in all ?

SOLUTION:
5