No problem, we've got 2106 and 7389 to multiply
2106 × 7389 = 7389 × (2106)
+ 7389 × 6 yielding 44334
+ 7389 × 00 that equals 0
+ 7389 × 100 what gives us 738900
+ 7389 × 2000 what gives us 14778000

= 15561234
