No problem, we've got 8409 and 9816 to multiply
8409 × 9816 = 9816 × (8409)
+ 9816 × 9 what gives us 88344
+ 9816 × 00 producing 0
+ 9816 × 400 that equals 3926400
+ 9816 × 8000 that results in 78528000

= 82542744
