Sure thing! Let's multiply 9891 and 4215 together
9891 × 4215 = 4215 × (9891)
+ 4215 × 1 what gives us 4215
+ 4215 × 90 what gives us 379350
+ 4215 × 800 what gives us 3372000
+ 4215 × 9000 giving us 37935000

= 41690565
