No problem, we've got 6403 and 8326 to multiply
6403 × 8326 = 8326 × (6403)
+ 8326 × 3 giving us 24978
+ 8326 × 00 that is equal 0
+ 8326 × 400 that equals 3330400
+ 8326 × 6000 which equals 49956000

= 53311378
