Add 3 to a certain number, multiply by 4, and then subtract 5 to get 27. What is this number?
某数加上3，乘以4，再减去5，得27，这个数是多少？
<gadget id="calculator">27 + 5</gadget>
<output>32</output>

<gadget id="calculator">32 / 4</gadget>
<output>8</output>

<gadget id="calculator">8 - 3</gadget>
<output>5</output>

<result>5</result>