Alright, let's work through 29135177 times 13663049 step by step
29135177 × 13663049 = 13663049 × (29135177)
+ 13663049 × 7 that results in 95641343
+ 13663049 × 70 that is equal 956413430
+ 13663049 × 100 giving us 1366304900
+ 13663049 × 5000 that equals 68315245000
+ 13663049 × 30000 which equals 409891470000
+ 13663049 × 100000 which equals 1366304900000
+ 13663049 × 9000000 resulting in 122967441000000
+ 13663049 × 20000000 resulting in 273260980000000

= 398075350974673
