No problem, we've got 2523 and 7967 to multiply
2523 × 7967 = 7967 × (2523)
+ 7967 × 3 what gives us 23901
+ 7967 × 20 resulting in 159340
+ 7967 × 500 that results in 3983500
+ 7967 × 2000 what gives us 15934000

= 20100741
