No problem, we've got 89130319 and 88937500 to multiply
89130319 × 88937500 = 88937500 × (89130319)
+ 88937500 × 9 yielding 800437500
+ 88937500 × 10 what gives us 889375000
+ 88937500 × 300 that results in 26681250000
+ 88937500 × 0000 that results in 0
+ 88937500 × 30000 which equals 2668125000000
+ 88937500 × 100000 that is equal 8893750000000
+ 88937500 × 9000000 that equals 800437500000000
+ 88937500 × 80000000 resulting in 7115000000000000

= 7927027746062500
