Xiaodong's height is 1.4 meters, the teacher is 0.3 meters taller than Xiaodong, how many meters is the teacher's height?
小东的身高是1.4米，老师比小东高0.3米，老师的身高是多少米．
<gadget id="calculator">1.4 + 0.3</gadget>
<output>1.7</output>

<result>1.7</result>