The ratio of length to width of a rectangle is 5:3 and its length is 45 meters. How many meters is the width?
一个长方形的长与宽的比是5：3，长是45米．宽是多少米？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">45 * (3/5)</gadget>
<output>27</output>

<result>27</result>