No problem, we've got 7797 and 1767 to multiply
7797 × 1767 = 1767 × (7797)
+ 1767 × 7 which equals 12369
+ 1767 × 90 giving us 159030
+ 1767 × 700 which equals 1236900
+ 1767 × 7000 giving us 12369000

= 13777299
