Alright, let's work through 75371505 times 52147857 step by step
75371505 × 52147857 = 52147857 × (75371505)
+ 52147857 × 5 resulting in 260739285
+ 52147857 × 00 that is equal 0
+ 52147857 × 500 which equals 26073928500
+ 52147857 × 1000 which equals 52147857000
+ 52147857 × 70000 that is equal 3650349990000
+ 52147857 × 300000 producing 15644357100000
+ 52147857 × 5000000 that equals 260739285000000
+ 52147857 × 70000000 giving us 3650349990000000

= 3930462464614785
