Alright, let's work through 1866 times 7266 step by step
1866 × 7266 = 7266 × (1866)
+ 7266 × 6 resulting in 43596
+ 7266 × 60 resulting in 435960
+ 7266 × 800 resulting in 5812800
+ 7266 × 1000 that equals 7266000

= 13558356
