Xiaohua is 1.5 meters tall, Xiaofang is 0.3 meters shorter than Xiaohua, how tall is Xiaofang?
小华身高1.5米，小芳比小华矮0.3米，小芳身高多少米？
<gadget id="calculator">1.5 - 0.3</gadget>
<output>1.2</output>

<result>1.2</result>