No problem, we've got 83348957 and 51545656 to multiply
83348957 × 51545656 = 51545656 × (83348957)
+ 51545656 × 7 resulting in 360819592
+ 51545656 × 50 giving us 2577282800
+ 51545656 × 900 producing 46391090400
+ 51545656 × 8000 resulting in 412365248000
+ 51545656 × 40000 yielding 2061826240000
+ 51545656 × 300000 resulting in 15463696800000
+ 51545656 × 3000000 yielding 154636968000000
+ 51545656 × 80000000 giving us 4123652480000000

= 4296276665480792
