No problem, we've got 7650484 and 1789536 to multiply
7650484 × 1789536 = 1789536 × (7650484)
+ 1789536 × 4 which equals 7158144
+ 1789536 × 80 yielding 143162880
+ 1789536 × 400 which equals 715814400
+ 1789536 × 0000 that equals 0
+ 1789536 × 50000 yielding 89476800000
+ 1789536 × 600000 giving us 1073721600000
+ 1789536 × 7000000 yielding 12526752000000

= 13690816535424
