A chair is 12 yuan, and the price of a table is five times that of a chair. How much does it cost to buy such a set of tables and chairs?
一把椅子12元，一张桌子的价钱是一把椅子的5倍，买这样一套桌椅，需要多少钱？
<gadget id="calculator">12 * 5</gadget>
<output>60</output>

<gadget id="calculator">60 + 12</gadget>
<output>72</output>

<result>72</result>