Task: Question Answering
Input (English): Problem: the cross - section of a cannel is a trapezium in shape. if the cannel is 8 m wide at the top and 6 m wide at the bottom and the area of cross - section is 700 sq m, the depth of cannel is ?
Options: a. 76, b. 100, c. 27, d. 80, e. 25
Output (English): b