Alright, let's work through 7447 times 7210 step by step
7447 × 7210 = 7210 × (7447)
+ 7210 × 7 what gives us 50470
+ 7210 × 40 which equals 288400
+ 7210 × 400 what gives us 2884000
+ 7210 × 7000 producing 50470000

= 53692870
