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.

Carlos has 58 blocks . He gives 21 to Rachel . How many blocks will Carlos have ?
37

Marie starts with 95 erasers . She loses 42 . How many erasers does Marie end with ?
53

There were 27 boys and 35 girls on the playground at recess . How many children were on the playground at recess ?

62