Alright, let's work through 85227390 times 38624944 step by step
85227390 × 38624944 = 38624944 × (85227390)
+ 38624944 × 0 what gives us 0
+ 38624944 × 90 what gives us 3476244960
+ 38624944 × 300 resulting in 11587483200
+ 38624944 × 7000 giving us 270374608000
+ 38624944 × 20000 giving us 772498880000
+ 38624944 × 200000 that results in 7724988800000
+ 38624944 × 5000000 that results in 193124720000000
+ 38624944 × 80000000 what gives us 3089995520000000

= 3291903166016160
