Alright, let's work through 3756 times 2153 step by step
3756 × 2153 = 2153 × (3756)
+ 2153 × 6 which equals 12918
+ 2153 × 50 that is equal 107650
+ 2153 × 700 that equals 1507100
+ 2153 × 3000 what gives us 6459000

= 8086668
