Task: Question Answering
Input (English): Problem: calculate the area of a triangle , if the sides of are 65 cm , 60 cm and 25 cm , what is its area ? 
Options: a ) 850 cm 2 , b ) 750 cm 2 , c ) 450 cm 2 , d ) 550 cm 2 , e ) 650 cm 2
Output (English): b