Xiaopang bought 2 bags by himself, and another bag was given by his relatives. One bag has 15 candies. How many candies does he have in total?
小胖自己买了2袋，亲戚又送了一袋，一袋15粒，他一共有多少粒糖？
<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<gadget id="calculator">3 * 15</gadget>
<output>45</output>

<result>45</result>