The physical education teacher bought back 4 boxes of table tennis balls, 24 tubes in each box, and 8 tubes in each box. How many table tennis balls did he buy in total?
体育老师买回4箱乒乓球，每箱24筒，每筒8个，一共买回多少个乒乓球？
<gadget id="calculator">4 * 24 * 8</gadget>
<output>768</output>

<result>768</result>