No problem, we've got 7973361 and 49889181 to multiply
7973361 × 49889181 = 49889181 × (7973361)
+ 49889181 × 1 which equals 49889181
+ 49889181 × 60 yielding 2993350860
+ 49889181 × 300 what gives us 14966754300
+ 49889181 × 3000 that equals 149667543000
+ 49889181 × 70000 that results in 3492242670000
+ 49889181 × 900000 yielding 44900262900000
+ 49889181 × 7000000 resulting in 349224267000000

= 397784450107341
