A train (2/3) travels 180 kilometers in an hour, how many kilometers per hour on average?
一列火车(2/3)小时行了180千米，平均每小时行多少千米？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">180 / (2/3)</gadget>
<output>270</output>

<result>270</result>