Alright, let's work through 1836 times 7902 step by step
1836 × 7902 = 7902 × (1836)
+ 7902 × 6 that results in 47412
+ 7902 × 30 giving us 237060
+ 7902 × 800 that is equal 6321600
+ 7902 × 1000 that is equal 7902000

= 14508072
