Task: Question Answering
Input (English): Problem: find the area of trapezium whose parallel sides are 20 cm and 18 cm long, and the distance between them is 20 cm ?
Options: a. 827 cm 2, b. 380 cm 2, c. 285 cm 2, d. 178 cm 2, e. 176 cm 2
Output (English): b