No problem, we've got 5915 and 3547 to multiply
5915 × 3547 = 3547 × (5915)
+ 3547 × 5 that results in 17735
+ 3547 × 10 giving us 35470
+ 3547 × 900 which equals 3192300
+ 3547 × 5000 what gives us 17735000

= 20980505
