Alright, let's work through 85187270 times 67554805 step by step
85187270 × 67554805 = 67554805 × (85187270)
+ 67554805 × 0 what gives us 0
+ 67554805 × 70 what gives us 4728836350
+ 67554805 × 200 that equals 13510961000
+ 67554805 × 7000 that equals 472883635000
+ 67554805 × 80000 that equals 5404384400000
+ 67554805 × 100000 that equals 6755480500000
+ 67554805 × 5000000 yielding 337774025000000
+ 67554805 × 80000000 yielding 5404384400000000

= 5754809413332350
