When Xiaohu calculated the addition of decimals, he missed the decimal point of one addend, so that it was equal to the other addend. The result of his calculation was 30. Do you know the correct result?
小虎计算小数加法时，把一个加数的小数点看漏了，这样就与另一个加数相等，他计算的结果是30，你知道正确的结果是多少吗．
<gadget id="calculator">30 / 2</gadget>
<output>15</output>

<gadget id="calculator">1.5 + 15</gadget>
<output>16.5</output>

<result>16.5</result>