No problem, we've got 5138 and 689 to multiply
5138 × 689 = 689 × (5138)
+ 689 × 8 that results in 5512
+ 689 × 30 giving us 20670
+ 689 × 100 resulting in 68900
+ 689 × 5000 that is equal 3445000

= 3540082
