84
The probability that the sum is seven all three times is 1/216.
3 times -7 is -21
seven seven
7 times
Seven
6 with a remainder of 2. 3 goes into 21 seven times.
Seven times with nine remaining
28/3 or 9 and 1/3
Seven squared times two cubed is equal to 392.
3 and 5/7
2 1/3