Let's calculate 6491 x 7187
6491 × 7187 = 7187 × (6491)
+ 7187 × 1 that is equal 7187
+ 7187 × 90 that results in 646830
+ 7187 × 400 that is equal 2874800
+ 7187 × 6000 that equals 43122000

= 46650817
