Alright, let's work through 50421421 times 45203349 step by step
50421421 × 45203349 = 45203349 × (50421421)
+ 45203349 × 1 what gives us 45203349
+ 45203349 × 20 what gives us 904066980
+ 45203349 × 400 that is equal 18081339600
+ 45203349 × 1000 that results in 45203349000
+ 45203349 × 20000 that is equal 904066980000
+ 45203349 × 400000 what gives us 18081339600000
+ 45203349 × 0000000 which equals 0
+ 45203349 × 50000000 giving us 2260167450000000

= 2279217090538929
