Alright, let's work through 49180459 times 13812632 step by step
49180459 × 13812632 = 13812632 × (49180459)
+ 13812632 × 9 resulting in 124313688
+ 13812632 × 50 which equals 690631600
+ 13812632 × 400 producing 5525052800
+ 13812632 × 0000 that equals 0
+ 13812632 × 80000 that equals 1105010560000
+ 13812632 × 100000 that results in 1381263200000
+ 13812632 × 9000000 giving us 124313688000000
+ 13812632 × 40000000 that results in 552505280000000

= 679311581758088
