No problem, we've got 1380 and 1572 to multiply
1380 × 1572 = 1572 × (1380)
+ 1572 × 0 that is equal 0
+ 1572 × 80 what gives us 125760
+ 1572 × 300 resulting in 471600
+ 1572 × 1000 that results in 1572000

= 2169360
