No problem, we've got 7865 and 1973 to multiply
7865 × 1973 = 1973 × (7865)
+ 1973 × 5 which equals 9865
+ 1973 × 60 that is equal 118380
+ 1973 × 800 yielding 1578400
+ 1973 × 7000 resulting in 13811000

= 15517645
