Alright, let's work through 5144 times 7869 step by step
5144 × 7869 = 7869 × (5144)
+ 7869 × 4 which equals 31476
+ 7869 × 40 producing 314760
+ 7869 × 100 what gives us 786900
+ 7869 × 5000 that results in 39345000

= 40478136
