6. On Children's Day, the school held a social gathering and invited 246 guests. Every 2 guests use a table. How many tables should be prepared in total?
六、一儿童节时，学校举行联谊会，请了246名来宾，每2位来宾用一张桌子，一共要准备多少张桌子？
<gadget id="calculator">246 / 2</gadget>
<output>123</output>

<result>123</result>