No problem, we've got 1550 and 1381 to multiply
1550 × 1381 = 1381 × (1550)
+ 1381 × 0 producing 0
+ 1381 × 50 what gives us 69050
+ 1381 × 500 that equals 690500
+ 1381 × 1000 resulting in 1381000

= 2140550
