Alright, let's work through 85235237 times 31425758 step by step
85235237 × 31425758 = 31425758 × (85235237)
+ 31425758 × 7 that equals 219980306
+ 31425758 × 30 resulting in 942772740
+ 31425758 × 200 yielding 6285151600
+ 31425758 × 5000 yielding 157128790000
+ 31425758 × 30000 which equals 942772740000
+ 31425758 × 200000 what gives us 6285151600000
+ 31425758 × 5000000 what gives us 157128790000000
+ 31425758 × 80000000 giving us 2514060640000000

= 2678581931034646
