No problem, we've got 1544 and 1406 to multiply
1544 × 1406 = 1406 × (1544)
+ 1406 × 4 that is equal 5624
+ 1406 × 40 yielding 56240
+ 1406 × 500 that is equal 703000
+ 1406 × 1000 resulting in 1406000

= 2170864
