Alright, let's work through 3558 times 5953 step by step
3558 × 5953 = 5953 × (3558)
+ 5953 × 8 resulting in 47624
+ 5953 × 50 yielding 297650
+ 5953 × 500 what gives us 2976500
+ 5953 × 3000 what gives us 17859000

= 21180774
