The students measured their height, Xiaoxiao was 1.28 meters tall, Naughty was 0.13 meters taller than Xiaoxiao, Beibei was 0.09 meters shorter than Naughty, how tall was Beibei?
同学们量身高，笑笑身高1.28米，淘气比笑笑高0.13米，贝贝比淘气矮0.09米，贝贝高多少米？
<gadget id="calculator">0.13 - 0.09</gadget>
<output>0.04</output>

<gadget id="calculator">1.28 + 0.04</gadget>
<output>1.32</output>

<result>1.32</result>