Xiaoxiao is 1.4 meters tall, and her mother's height is 1.2 meters less than twice that of Xiaoxiao. How many meters is her mother's height?
笑笑身高1.4米，妈妈的身高比笑笑的2倍少1.2米，妈妈的身高多少米？
<gadget id="calculator">1.4 * 2</gadget>
<output>2.8</output>

<gadget id="calculator">2.8 - 1.2</gadget>
<output>1.6</output>

<result>1.6</result>