Caoyuan Primary School bought 40 sets of desks in the new semester and spent 4,800 yuan. The unit price ratio of chairs and desks is 2:3. How much cheaper is the price of chairs than tables?
曹园小学新学期买了40套课桌花去4800元，椅子和课桌的单价之比是2：3，椅子的价格比桌子便宜多少元？
<gadget id="calculator">4_800 / 40</gadget>
<output>120</output>

<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">120 * (3/5)</gadget>
<output>72</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">120 * (2/5)</gadget>
<output>48</output>

<gadget id="calculator">72 - 48</gadget>
<output>24</output>

<result>24</result>