No problem, we've got 79373454 and 20585429 to multiply
79373454 × 20585429 = 20585429 × (79373454)
+ 20585429 × 4 resulting in 82341716
+ 20585429 × 50 resulting in 1029271450
+ 20585429 × 400 that equals 8234171600
+ 20585429 × 3000 that results in 61756287000
+ 20585429 × 70000 yielding 1440980030000
+ 20585429 × 300000 yielding 6175628700000
+ 20585429 × 9000000 yielding 185268861000000
+ 20585429 × 70000000 which equals 1440980030000000

= 1633936601801766
