Alright, let's work through 45123875 times 41085047 step by step
45123875 × 41085047 = 41085047 × (45123875)
+ 41085047 × 5 that equals 205425235
+ 41085047 × 70 that results in 2875953290
+ 41085047 × 800 yielding 32868037600
+ 41085047 × 3000 that results in 123255141000
+ 41085047 × 20000 what gives us 821700940000
+ 41085047 × 100000 yielding 4108504700000
+ 41085047 × 5000000 that equals 205425235000000
+ 41085047 × 40000000 giving us 1643401880000000

= 1853916525197125
