No problem, we've got 8138 and 8963 to multiply
8138 × 8963 = 8963 × (8138)
+ 8963 × 8 what gives us 71704
+ 8963 × 30 that equals 268890
+ 8963 × 100 that results in 896300
+ 8963 × 8000 what gives us 71704000

= 72940894
