Teacher: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.
Teacher: Now, understand the problem? Solve this instance: molly swam 45 meters on saturday . she swam 28 meters on sunday . the pool is 25 meters long . how many meters did molly swim in all ?
Student:
73