No problem, we've got 7890 and 2198 to multiply
7890 × 2198 = 2198 × (7890)
+ 2198 × 0 that is equal 0
+ 2198 × 90 resulting in 197820
+ 2198 × 800 that results in 1758400
+ 2198 × 7000 that is equal 15386000

= 17342220
