The task is to generate the correct answer for a given math problem.

Problem: what is the total number of integers between 10 and 50 that are divisible by 2 ?
19

Problem: what is the sum of the multiples of 4 between 63 and 151 inclusive ?
233

Problem: what is the area a of the square with the following coordinates : ( x , y ) , ( 20 , 20 ) , ( 20 , 5 ) , ( x , 5 ) ?

225 .', 'e ) it can not be determined from the information given'