There is a box of drinks, no matter if it is distributed to 7 people or 9 people, it can be distributed exactly. How many bottles are there in this box?
有一箱饮料，不论分给7个人还是分给9个人，都能正好分完，这箱饮料至少有多少瓶？
<gadget id="calculator">7 * 9</gadget>
<output>63</output>

<result>63</result>