There are 78 red balloons in the square, and 12 yellow balloons, which are three times as many as the red balloons. How many of the two kinds of balloons are there in total?
广场上有红气球78只，黄气球的只数是红气球的3倍多12只，两种气球共有多少只？
<gadget id="calculator">78 * 3</gadget>
<output>234</output>

<gadget id="calculator">234 + 12 + 78</gadget>
<output>324</output>

<result>324</result>