For a two-digit number, the difference between the tens digit and the ones digit is a divisor of 28, and the product of the tens digit and the ones digit is 24. What is this two-digit number.
一个两位数，十位数字减个位数字的差是28的约数，十位数字与个位数字的积是24．这个两位数是多少．
<result>64</result>