How much does it cost to buy 12 badmintons at 4 yuan each and 8 toy cars at 8 yuan each?
买12个羽毛球，每个4元和8个玩具车，每个8元，一共要多少钱？
<gadget id="calculator">4 * 12</gadget>
<output>48</output>

<gadget id="calculator">8 * 8</gadget>
<output>64</output>

<gadget id="calculator">48 + 64</gadget>
<output>112</output>

<result>112</result>