If the school holds a parent meeting, 144 parents are invited, and 9 of them sit around a table. How many tables do you need?
学校如开家长会，请了144位家长，9人围坐一桌．需要准备多少张桌子？
<gadget id="calculator">144 / 9</gadget>
<output>16</output>

<result>16</result>