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.

Frank had saved up 3 dollars . If he received another 37 dollars for his allowance , how many 8 dollar toys could he buy ?
5

A florist had 5 roses . If she sold 3 of them and then later picked 34 more , how many roses would she have ?
36

Before the recent housing boom , there were 1426 houses in Lawrence County . Now , there are 2000 houses . How many houses did developers build during the housing boom ?

574