Alright, let's work through 45403105 times 80938669 step by step
45403105 × 80938669 = 80938669 × (45403105)
+ 80938669 × 5 that results in 404693345
+ 80938669 × 00 what gives us 0
+ 80938669 × 100 producing 8093866900
+ 80938669 × 3000 that is equal 242816007000
+ 80938669 × 00000 producing 0
+ 80938669 × 400000 which equals 32375467600000
+ 80938669 × 5000000 that results in 404693345000000
+ 80938669 × 40000000 that is equal 3237546760000000

= 3674866887167245
