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.

he also had 8 aquariums for saltwater animals . each aquarium has 64 animals in it . how many saltwater animals does tyler have ?
512

another material that he needs is rope . if he already has 6 feet of rope and he needs additional ropes having 5 times the length of what he already have how long should be the additional rope ?
30

rachel had to complete 9 pages of math homework and 2 pages of reading homework . how many pages did she have to complete total ?
11