Alright, let's work through 1539 times 7207 step by step
1539 × 7207 = 7207 × (1539)
+ 7207 × 9 that equals 64863
+ 7207 × 30 what gives us 216210
+ 7207 × 500 which equals 3603500
+ 7207 × 1000 resulting in 7207000

= 11091573
