No problem, we've got 8377211 and 48309939 to multiply
8377211 × 48309939 = 48309939 × (8377211)
+ 48309939 × 1 what gives us 48309939
+ 48309939 × 10 resulting in 483099390
+ 48309939 × 200 that is equal 9661987800
+ 48309939 × 7000 producing 338169573000
+ 48309939 × 70000 what gives us 3381695730000
+ 48309939 × 300000 that results in 14492981700000
+ 48309939 × 8000000 which equals 386479512000000

= 404702552400129
