No problem, we've got 1260 and 3431 to multiply
1260 × 3431 = 3431 × (1260)
+ 3431 × 0 yielding 0
+ 3431 × 60 that is equal 205860
+ 3431 × 200 what gives us 686200
+ 3431 × 1000 resulting in 3431000

= 4323060
