No problem, we've got 6298 and 1638 to multiply
6298 × 1638 = 1638 × (6298)
+ 1638 × 8 what gives us 13104
+ 1638 × 90 giving us 147420
+ 1638 × 200 resulting in 327600
+ 1638 × 6000 that results in 9828000

= 10316124
