instruction:
You are given a math word problem and you are supposed to only use multiplication or division operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
question:
Context: He had 15 aquariums for saltwater animals and 62 aquariums for freshwater animals. Each aquarium has 19 animals in it. 

 Question: How many animals does he have in total?
answer:
1463


question:
Context: After resting they decided to go for a swim. The depth of the water is 15 times Dean's height. Dean is 4 feet taller than Ron. If Ron stands at 13 feet 

 Question: How deep was the water?
answer:
255


question:
Context: A book has 31 chapters. Each chapter is 61 pages long. 

 Question: How many pages does the book have altogether?
answer:

1891