Xiao Ding Ding was very happy. During the festival, he received 5 bags at once, with 15 pills in each bag. Xiaopang has 30 pills in total. How many pills does Xiao Ding Ding have more than Xiaopang?
小丁丁很开心，节日里一下子收到5袋，每袋15粒，小胖共有30粒，小丁丁比小胖多几粒？
<gadget id="calculator">15 * 5</gadget>
<output>75</output>

<gadget id="calculator">75 - 30</gadget>
<output>45</output>

<result>45</result>