No problem, we've got 99980099 and 30983683 to multiply
99980099 × 30983683 = 30983683 × (99980099)
+ 30983683 × 9 what gives us 278853147
+ 30983683 × 90 that results in 2788531470
+ 30983683 × 000 yielding 0
+ 30983683 × 0000 that results in 0
+ 30983683 × 80000 which equals 2478694640000
+ 30983683 × 900000 that equals 27885314700000
+ 30983683 × 9000000 that results in 278853147000000
+ 30983683 × 90000000 giving us 2788531470000000

= 3097751693724617
