Alright, let's work through 3354 times 6558 step by step
3354 × 6558 = 6558 × (3354)
+ 6558 × 4 which equals 26232
+ 6558 × 50 that results in 327900
+ 6558 × 300 resulting in 1967400
+ 6558 × 3000 that is equal 19674000

= 21995532
