Xiao Ming is 1.4 meters tall, and I am 0.1 meters shorter than him. Do you know how tall I am?
小明的身高1.4米，我比他矮0.1米．你知道我的身高是多少吗？
<gadget id="calculator">1.4 - 0.1</gadget>
<output>1.3</output>

<result>1.3</result>