Answer:
His mistake of my understanding was the (times5+3) and the correct answer would be 459 (explanation below)
Explanation:
first we would have to find 3^5 which is 3*3*3*3*3=243 second we have to find 6^3 which is 6*6*6= 216 now we just have to add them together 243+216=459 Hope this helps!