When Ma Xiaohu calculated □□/3, he reversed the digit of the dividend and the digit of tens, and the result was 15. What is the correct result?
马小虎在计算□□/3时把被除数个位和十位上的数颠倒了，结果得15，正确的结果应是多少
<gadget id="calculator">54 / 3</gadget>
<output>18</output>

<result>18</result>