Alright, let's work through 3667 times 5866 step by step
3667 × 5866 = 5866 × (3667)
+ 5866 × 7 which equals 41062
+ 5866 × 60 resulting in 351960
+ 5866 × 600 resulting in 3519600
+ 5866 × 3000 resulting in 17598000

= 21510622
