No problem, we've got 4380 and 2426 to multiply
4380 × 2426 = 2426 × (4380)
+ 2426 × 0 what gives us 0
+ 2426 × 80 resulting in 194080
+ 2426 × 300 that results in 727800
+ 2426 × 4000 yielding 9704000

= 10625880
