No problem, we've got 7977 and 1961 to multiply
7977 × 1961 = 1961 × (7977)
+ 1961 × 7 producing 13727
+ 1961 × 70 yielding 137270
+ 1961 × 900 giving us 1764900
+ 1961 × 7000 resulting in 13727000

= 15642897
