Alright, let's work through 6144 times 9510 step by step
6144 × 9510 = 9510 × (6144)
+ 9510 × 4 what gives us 38040
+ 9510 × 40 giving us 380400
+ 9510 × 100 which equals 951000
+ 9510 × 6000 yielding 57060000

= 58429440
