No problem, we've got 7871 and 5778 to multiply
7871 × 5778 = 5778 × (7871)
+ 5778 × 1 yielding 5778
+ 5778 × 70 that is equal 404460
+ 5778 × 800 that equals 4622400
+ 5778 × 7000 resulting in 40446000

= 45478638
