Alright, let's work through 18283400 times 74586654 step by step
18283400 × 74586654 = 74586654 × (18283400)
+ 74586654 × 0 which equals 0
+ 74586654 × 00 resulting in 0
+ 74586654 × 400 giving us 29834661600
+ 74586654 × 3000 that equals 223759962000
+ 74586654 × 80000 giving us 5966932320000
+ 74586654 × 200000 resulting in 14917330800000
+ 74586654 × 8000000 resulting in 596693232000000
+ 74586654 × 10000000 that equals 745866540000000

= 1363697629743600
