No problem, we've got 3949 and 9870 to multiply
3949 × 9870 = 9870 × (3949)
+ 9870 × 9 that is equal 88830
+ 9870 × 40 that results in 394800
+ 9870 × 900 yielding 8883000
+ 9870 × 3000 resulting in 29610000

= 38976630
