Alright, let's work through 5409 times 4098 step by step
5409 × 4098 = 4098 × (5409)
+ 4098 × 9 that equals 36882
+ 4098 × 00 what gives us 0
+ 4098 × 400 that is equal 1639200
+ 4098 × 5000 giving us 20490000

= 22166082
