The ratio of length to width of a TV is 4:3. The length of this TV is 72 cm, what is the width in cm?
一台电视机长与宽的比是4：3．这台电视机的长是72厘米，宽是多少厘米？
<gadget id="calculator">72 / 4</gadget>
<output>18</output>

<gadget id="calculator">18 * 3</gadget>
<output>54</output>

<result>54</result>