Alright, let's work through 74985491 times 66360527 step by step
74985491 × 66360527 = 66360527 × (74985491)
+ 66360527 × 1 that is equal 66360527
+ 66360527 × 90 what gives us 5972447430
+ 66360527 × 400 that equals 26544210800
+ 66360527 × 5000 that results in 331802635000
+ 66360527 × 80000 which equals 5308842160000
+ 66360527 × 900000 giving us 59724474300000
+ 66360527 × 4000000 resulting in 265442108000000
+ 66360527 × 70000000 producing 4645236890000000

= 4976076700113757
