A picture has a ratio of length to width of 3:2. It is known that the width of the picture is 80 cm. What is the length of the picture in centimeters?
一幅画，长与宽的比是3：2，已知这幅画的宽是80厘米，这幅画的长是多少厘米？
<gadget id="calculator">80 / 2</gadget>
<output>40</output>

<gadget id="calculator">40 * 3</gadget>
<output>120</output>

<result>120</result>