No problem, we've got 7977 and 7887 to multiply
7977 × 7887 = 7887 × (7977)
+ 7887 × 7 resulting in 55209
+ 7887 × 70 that is equal 552090
+ 7887 × 900 giving us 7098300
+ 7887 × 7000 which equals 55209000

= 62914599
