No problem, we've got 20726579 and 84332758 to multiply
20726579 × 84332758 = 84332758 × (20726579)
+ 84332758 × 9 what gives us 758994822
+ 84332758 × 70 that equals 5903293060
+ 84332758 × 500 producing 42166379000
+ 84332758 × 6000 resulting in 505996548000
+ 84332758 × 20000 yielding 1686655160000
+ 84332758 × 700000 what gives us 59032930600000
+ 84332758 × 0000000 giving us 0
+ 84332758 × 20000000 which equals 1686655160000000

= 1747929570974882
