Sure thing! Let's multiply 80385405 and 10002157 together
80385405 × 10002157 = 10002157 × (80385405)
+ 10002157 × 5 yielding 50010785
+ 10002157 × 00 that is equal 0
+ 10002157 × 400 producing 4000862800
+ 10002157 × 5000 giving us 50010785000
+ 10002157 × 80000 what gives us 800172560000
+ 10002157 × 300000 yielding 3000647100000
+ 10002157 × 0000000 giving us 0
+ 10002157 × 80000000 giving us 800172560000000

= 804027441318585
