Alright, let's work through 7390 times 620 step by step
7390 × 620 = 620 × (7390)
+ 620 × 0 giving us 0
+ 620 × 90 which equals 55800
+ 620 × 300 giving us 186000
+ 620 × 7000 that equals 4340000

= 4581800
