Answer:
9506
Example:
Multiply the 7 and 8 to get 56.
Since 56 is greater than 9, you'll have to carry the 5.
5
9 7
x 9 8
___________
6
Multiply the 9 and 8 to get 72.
And, add the carried 5 to get 77.
77 is greater than 9, but there are no more digits to carry over, so just write the 7 down in front.
7 5
9 7
x 9 8
___________
7 7 6
Multiply the 7 and 9 to get 63.
Since 63 is greater than 9, you'll have to carry the 6.
6
9 7
x 9 8
___________
7 7 6
3 0
_____________
Multiply the 9 and 9 to get 81.
And, add the carried 6 to get 87.
87 is greater than 9, but there are no more digits to carry over, so just write the 8 down in front.
8 6
9 7
x 9 8
___________
7 7 6
8 7 3 0
_____________
Then add 776 + 8730 to get your answer which is 9506! :)
1 1
7 7 6
+ 8 7 3 0
_________
9 5 0 6
