No problem, we've got 8707 and 8420 to multiply
8707 × 8420 = 8420 × (8707)
+ 8420 × 7 that results in 58940
+ 8420 × 00 which equals 0
+ 8420 × 700 that results in 5894000
+ 8420 × 8000 resulting in 67360000

= 73312940
