When Xiao Ming calculated 4.8 divided by a number, because the decimal point of the quotient was wrongly clicked one place to the right, the result was 15. What is the divisor of this question.
小明在计算4.8除以一个数的时候，由于商的小数点向右错点了一位，结果是15．这道题的除数是多少．
<result>3.2</result>