Xiaoli walks 50 meters per minute, how many kilometers does she walk in an hour?
小丽每分钟步行50米，1小时大约步行多少千米．
<gadget id="calculator">60 / 1_000</gadget>
<output>3/50 = around 0.06</output>

<gadget id="calculator">50 * (3/50)</gadget>
<output>3</output>

<result>3</result>