No problem, we've got 5870 and 6810 to multiply
5870 × 6810 = 6810 × (5870)
+ 6810 × 0 resulting in 0
+ 6810 × 70 yielding 476700
+ 6810 × 800 that results in 5448000
+ 6810 × 5000 yielding 34050000

= 39974700
