If some fruits are distributed equally among 6 people, 3 fruits are left, and among 9 people, 3 fruits are left. How many of these fruits are there?
把一些水果平均分给6个人剩下3个，平均分给9个人也剩3个．这些水果至少有多少个？
<gadget id="calculator">2 * 3 * 3</gadget>
<output>18</output>

<gadget id="calculator">18 + 3</gadget>
<output>21</output>

<result>21</result>