No problem, we've got 3967 and 2615 to multiply
3967 × 2615 = 2615 × (3967)
+ 2615 × 7 that results in 18305
+ 2615 × 60 which equals 156900
+ 2615 × 900 resulting in 2353500
+ 2615 × 3000 yielding 7845000

= 10373705
