Write down the ratio and find the unknown; the height ratio of Mingming and Lili is 15:14, Mingming's height is 150 cm, and Lili's height is x cm.
写出比例并求出未知数；明明和丽丽的身高比是15：14，明明身高是150厘米，丽丽的身高是x厘米．
<gadget id="calculator">14 * 150</gadget>
<output>2_100</output>

<gadget id="calculator">2_100 / 15</gadget>
<output>140</output>

<result>140</result>