There is a two-digit number, the ones digit is 4 greater than the tens digit, and the sum of the ones digit and the tens digit is four times the tens digit. What is the two-digit number?
有一个两位数，个位上的数比十位上的数大4，个位数字与十位数字的和是十位数字的4倍，这个两位数是多少．
<result>26</result>