No problem, we've got 77480733 and 83169327 to multiply
77480733 × 83169327 = 83169327 × (77480733)
+ 83169327 × 3 yielding 249507981
+ 83169327 × 30 yielding 2495079810
+ 83169327 × 700 what gives us 58218528900
+ 83169327 × 0000 that results in 0
+ 83169327 × 80000 giving us 6653546160000
+ 83169327 × 400000 giving us 33267730800000
+ 83169327 × 7000000 resulting in 582185289000000
+ 83169327 × 70000000 yielding 5821852890000000

= 6444020419076691
