No problem, we've got 12508312 and 85300385 to multiply
12508312 × 85300385 = 85300385 × (12508312)
+ 85300385 × 2 what gives us 170600770
+ 85300385 × 10 yielding 853003850
+ 85300385 × 300 giving us 25590115500
+ 85300385 × 8000 what gives us 682403080000
+ 85300385 × 00000 which equals 0
+ 85300385 × 500000 that is equal 42650192500000
+ 85300385 × 2000000 that equals 170600770000000
+ 85300385 × 10000000 that results in 853003850000000

= 1066963829300120
