Alright, let's work through 85375934 times 83218219 step by step
85375934 × 83218219 = 83218219 × (85375934)
+ 83218219 × 4 giving us 332872876
+ 83218219 × 30 that equals 2496546570
+ 83218219 × 900 producing 74896397100
+ 83218219 × 5000 yielding 416091095000
+ 83218219 × 70000 what gives us 5825275330000
+ 83218219 × 300000 yielding 24965465700000
+ 83218219 × 5000000 which equals 416091095000000
+ 83218219 × 80000000 that results in 6657457520000000

= 7104833172941546
