Alright, let's work through 45643818 times 38603063 step by step
45643818 × 38603063 = 38603063 × (45643818)
+ 38603063 × 8 giving us 308824504
+ 38603063 × 10 that is equal 386030630
+ 38603063 × 800 resulting in 30882450400
+ 38603063 × 3000 that is equal 115809189000
+ 38603063 × 40000 producing 1544122520000
+ 38603063 × 600000 what gives us 23161837800000
+ 38603063 × 5000000 that results in 193015315000000
+ 38603063 × 40000000 which equals 1544122520000000

= 1761991181814534
