Alright, let's work through 85242805 times 4066274 step by step
85242805 × 4066274 = 4066274 × (85242805)
+ 4066274 × 5 resulting in 20331370
+ 4066274 × 00 that equals 0
+ 4066274 × 800 that is equal 3253019200
+ 4066274 × 2000 that results in 8132548000
+ 4066274 × 40000 that results in 162650960000
+ 4066274 × 200000 what gives us 813254800000
+ 4066274 × 5000000 that results in 20331370000000
+ 4066274 × 80000000 giving us 325301920000000

= 346620601658570
