No problem, we've got 7871 and 1907 to multiply
7871 × 1907 = 1907 × (7871)
+ 1907 × 1 resulting in 1907
+ 1907 × 70 that results in 133490
+ 1907 × 800 that equals 1525600
+ 1907 × 7000 yielding 13349000

= 15009997
