Alright, let's work through 85520300 times 75849877 step by step
85520300 × 75849877 = 75849877 × (85520300)
+ 75849877 × 0 that equals 0
+ 75849877 × 00 that results in 0
+ 75849877 × 300 that equals 22754963100
+ 75849877 × 0000 that is equal 0
+ 75849877 × 20000 giving us 1516997540000
+ 75849877 × 500000 yielding 37924938500000
+ 75849877 × 5000000 producing 379249385000000
+ 75849877 × 80000000 giving us 6067990160000000

= 6486704236003100
