Alright, let's work through 29980197 times 13656053 step by step
29980197 × 13656053 = 13656053 × (29980197)
+ 13656053 × 7 which equals 95592371
+ 13656053 × 90 yielding 1229044770
+ 13656053 × 100 yielding 1365605300
+ 13656053 × 0000 resulting in 0
+ 13656053 × 80000 giving us 1092484240000
+ 13656053 × 900000 that results in 12290447700000
+ 13656053 × 9000000 yielding 122904477000000
+ 13656053 × 20000000 resulting in 273121060000000

= 409411159182441
