No problem, we've got 7872 and 2278 to multiply
7872 × 2278 = 2278 × (7872)
+ 2278 × 2 what gives us 4556
+ 2278 × 70 that is equal 159460
+ 2278 × 800 resulting in 1822400
+ 2278 × 7000 giving us 15946000

= 17932416
