Alright, let's work through 85294921 times 97446745 step by step
85294921 × 97446745 = 97446745 × (85294921)
+ 97446745 × 1 that equals 97446745
+ 97446745 × 20 what gives us 1948934900
+ 97446745 × 900 which equals 87702070500
+ 97446745 × 4000 producing 389786980000
+ 97446745 × 90000 producing 8770207050000
+ 97446745 × 200000 yielding 19489349000000
+ 97446745 × 5000000 resulting in 487233725000000
+ 97446745 × 80000000 yielding 7795739600000000

= 8311712416482145
