No problem, we've got 5105 and 7834 to multiply
5105 × 7834 = 7834 × (5105)
+ 7834 × 5 yielding 39170
+ 7834 × 00 producing 0
+ 7834 × 100 that results in 783400
+ 7834 × 5000 that is equal 39170000

= 39992570
