No problem, we've got 3542 and 723 to multiply
3542 × 723 = 723 × (3542)
+ 723 × 2 what gives us 1446
+ 723 × 40 that results in 28920
+ 723 × 500 giving us 361500
+ 723 × 3000 that results in 2169000

= 2560866
