No problem, we've got 8640 and 4534 to multiply
8640 × 4534 = 4534 × (8640)
+ 4534 × 0 resulting in 0
+ 4534 × 40 resulting in 181360
+ 4534 × 600 what gives us 2720400
+ 4534 × 8000 yielding 36272000

= 39173760
