When Xiao Ming calculated (228-36)/□, he missed the parentheses, and the calculated result was 216. When he checked, he found an error and recalculated. What should be the correct result of his calculation.
小明在计算(228-36)/□时，漏看了小括号，算出的结果是216，检查时发现了错误，又重新计算．他算出的正确结果应该是多少．
<gadget id="calculator">228 - 36</gadget>
<output>192</output>

<gadget id="calculator">228 - 216</gadget>
<output>12</output>

<gadget id="calculator">36 / 12</gadget>
<output>3</output>

<gadget id="calculator">192 / 3</gadget>
<output>64</output>

<result>64</result>