No problem, we've got 8640 and 8518 to multiply
8640 × 8518 = 8518 × (8640)
+ 8518 × 0 that is equal 0
+ 8518 × 40 giving us 340720
+ 8518 × 600 resulting in 5110800
+ 8518 × 8000 giving us 68144000

= 73595520
