Task: Question Answering
Input (English): Problem: every disk in a bag is either blue, yellow or green. the ratio of blue disks to yellow disks to green disks in this bag is 3: 7: 8. if the total number of disks in the bag is 144, how many more green disks than blue disks are in the bag ?
Options: a. 25, b. 28, c. 30, d. 35, e. 40
Output (English): e