The standard weight of an adult can be calculated with this formula: weight (kg)=(height (cm)-100)*0.9. If Teacher Zhou's weight is 72kg, what should be his standard height?
一个成年人的标准体重可以用这个公式计算：体重(kg)=(身高(cm)-100)*0.9．如果周老师的体重是72kg，那他的标准身高应该是多少．
<gadget id="calculator">100 * 0.9</gadget>
<output>90</output>

<gadget id="calculator">90 + 72</gadget>
<output>162</output>

<gadget id="calculator">162 / 0.9</gadget>
<output>180</output>

<result>180</result>