No problem, we've got 8246 and 7864 to multiply
8246 × 7864 = 7864 × (8246)
+ 7864 × 6 giving us 47184
+ 7864 × 40 what gives us 314560
+ 7864 × 200 that equals 1572800
+ 7864 × 8000 what gives us 62912000

= 64846544
