Let's calculate 9997 x 2198
9997 × 2198 = 2198 × (9997)
+ 2198 × 7 that results in 15386
+ 2198 × 90 which equals 197820
+ 2198 × 900 yielding 1978200
+ 2198 × 9000 that is equal 19782000

= 21973406
