Alright, let's work through 2528 times 4900 step by step
2528 × 4900 = 4900 × (2528)
+ 4900 × 8 that is equal 39200
+ 4900 × 20 giving us 98000
+ 4900 × 500 resulting in 2450000
+ 4900 × 2000 that equals 9800000

= 12387200
