8 multiple choice questions, 4 answers (ABCD), looking for different results? ?

Question

8道单选题，每到单选题的结果可以为（ABCD --4个值其中一个），求多少种结果？？
php 把结果输出？？

Answer 1

$n = pow(4,8)

Just use the power function. Each question has four situations. There are eight questions in total, which is 8 to the 4th power