Alright, let's work through 7287 times 4105 step by step
7287 × 4105 = 4105 × (7287)
+ 4105 × 7 resulting in 28735
+ 4105 × 80 that results in 328400
+ 4105 × 200 that results in 821000
+ 4105 × 7000 that results in 28735000

= 29913135
