No problem, we've got 2124 and 755 to multiply
2124 × 755 = 755 × (2124)
+ 755 × 4 that is equal 3020
+ 755 × 20 that results in 15100
+ 755 × 100 that results in 75500
+ 755 × 2000 resulting in 1510000

= 1603620
