Alright, let's work through 75040703 times 18401871 step by step
75040703 × 18401871 = 18401871 × (75040703)
+ 18401871 × 3 that is equal 55205613
+ 18401871 × 00 which equals 0
+ 18401871 × 700 that results in 12881309700
+ 18401871 × 0000 yielding 0
+ 18401871 × 40000 yielding 736074840000
+ 18401871 × 000000 that equals 0
+ 18401871 × 5000000 yielding 92009355000000
+ 18401871 × 70000000 that is equal 1288130970000000

= 1380889336355313
