For a two-digit number, the number in the tens place is three times the number in the ones place. If these two numbers are reversed to form a new two-digit number, the difference from the original number is 54, what is the original number?
一个两位数，十位上的数字是个位上的数字的3倍．如果把这两个数字对调位置，组成一个新的两位数，与原数的差是54，原数是多少．
<result>93</result>