No problem, we've got 7871 and 7814 to multiply
7871 × 7814 = 7814 × (7871)
+ 7814 × 1 what gives us 7814
+ 7814 × 70 giving us 546980
+ 7814 × 800 that is equal 6251200
+ 7814 × 7000 that equals 54698000

= 61503994
