Alright, let's work through 85763578 times 44239309 step by step
85763578 × 44239309 = 44239309 × (85763578)
+ 44239309 × 8 that equals 353914472
+ 44239309 × 70 that is equal 3096751630
+ 44239309 × 500 giving us 22119654500
+ 44239309 × 3000 that results in 132717927000
+ 44239309 × 60000 giving us 2654358540000
+ 44239309 × 700000 what gives us 30967516300000
+ 44239309 × 5000000 which equals 221196545000000
+ 44239309 × 80000000 yielding 3539144720000000

= 3794121428087602
