No problem, we've got 2943 and 1359 to multiply
2943 × 1359 = 1359 × (2943)
+ 1359 × 3 that is equal 4077
+ 1359 × 40 what gives us 54360
+ 1359 × 900 yielding 1223100
+ 1359 × 2000 that results in 2718000

= 3999537
