If the Fahrenheit temperature is y and the Celsius temperature is x, then y=1.8x+32. If Xiaohua's y is 98.6, then what is Xiaohua's x.
如果华氏温度是y，摄氏温度是x，则y=1.8x+32，如果小华的y是98.6，则小华的x是多少．
<gadget id="calculator">98.6 - 32</gadget>
<output>66.6</output>

<gadget id="calculator">66.6 / 1.8</gadget>
<output>37</output>

<result>37</result>