A car travels 80km per hour, which is faster (5/3) than an electric motorcycle. How many kilometers does this electric motorcycle travel per hour?
一辆汽车每小时行80km，比一辆电动摩托车的速度快(5/3)，这辆电动自摩托车每小时行多少km？
<gadget id="calculator">5 / 3</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">1 + (5/3)</gadget>
<output>8/3 = around 2.666667</output>

<gadget id="calculator">80 / (8/3)</gadget>
<output>30</output>

<result>30</result>