In the carnival hoop game, three hoops fit on three pegs. A trap gets 1 point for a stake, 3 points for a trap on stake B, and 5 points for a trap on stake C. If all three circles can catch the pile, how many different scores can there be? (Multiple rings can be placed on one pile)
在狂欢节的套圈游戏中，三个圈可套在三个桩上．圈套在A桩上得1分，套在B桩上得3分，套在C桩上得5分．若三个圈都能套住桩，一共有多少种不同的得分．(一个桩上可套多个圈)
<gadget id="calculator">2 * 1</gadget>
<output>2</output>

<gadget id="calculator">5 + 2</gadget>
<output>7</output>

<result>7</result>