The height ratio of Xiaoqiang and Xiaogang is 4:5, Xiaoqiang's height is Xiaogang's height
小强和小刚身高比是4：5，小强的身高是小刚身高的多少
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>