Task: Question Answering
Input (English): Problem: there are 12 students in a class . on the day the test was given , ella was absent . the other 11 students took the test and their average was 74 . the next day , ella took the test , and with this grade included , the new average was 75 . what was ella ' s grade on the test ? 
Options: a ) 82 , b ) 83 , c ) 84 , d ) 85 , e ) 86
Output (English): e