No problem, we've got 7898 and 3643 to multiply
7898 × 3643 = 3643 × (7898)
+ 3643 × 8 producing 29144
+ 3643 × 90 that equals 327870
+ 3643 × 800 which equals 2914400
+ 3643 × 7000 which equals 25501000

= 28772414
