Take three, three, take a multiple of three 3B.

Four out of four leaves 1 4C+ 1.

Five out of five leaves 1 mantissa 1 10D+ 1.

Seven, seven, just finished the exam of 7E.

Eight out of eight leaves 1 8F+ 1.

Nine, nine, nine grams.

Nine, nine, just finished, then three, just finished.

Eight out of eight, leaving 1 four out of four, leaving1; Two out of two leaves 1.

So this number is a multiple of 63, the mantissa is 1, and after subtracting 1, it is a multiple of 8.

Multiply of 63 with mantissa 1: 63x7=44 1.

63x 17= 107 1 ...........

44 1 meets the requirements, so the minimum number is 44 1.