No problem, we've got 71668842 and 67664044 to multiply
71668842 × 67664044 = 67664044 × (71668842)
+ 67664044 × 2 giving us 135328088
+ 67664044 × 40 giving us 2706561760
+ 67664044 × 800 that is equal 54131235200
+ 67664044 × 8000 resulting in 541312352000
+ 67664044 × 60000 resulting in 4059842640000
+ 67664044 × 600000 that is equal 40598426400000
+ 67664044 × 1000000 resulting in 67664044000000
+ 67664044 × 70000000 resulting in 4736483080000000

= 4849403678517048
