Task: Question Answering
Input (English): Problem: eight identical machines can produce 360 aluminum cans per hour . if all of the machines work at the same constant rate , how many cans could 5 such machines produce in 2 hours ? 
Options: a ) 450 , b ) 750 , c ) 1,800 , d ) 5,900 , e ) 7,500
Output (English): a