Alright, let's work through 1523 times 2658 step by step
1523 × 2658 = 2658 × (1523)
+ 2658 × 3 that equals 7974
+ 2658 × 20 what gives us 53160
+ 2658 × 500 giving us 1329000
+ 2658 × 1000 which equals 2658000

= 4048134
