There are four tapes, and the length of one tape is 11 cm, the width is 7 cm, and the height is 2 cm. Find the volume of each tape? Now to wrap four tapes together, what is the minimum amount of wrapping paper needed?
现有四盒磁带，测得一盒磁带的长是11厘米，宽是7厘米，高是2厘米，求每盒磁带的体积？现在要把四盒磁带包装在一起，最少需要多少包装纸？
<gadget id="calculator">77 + 14 + 22</gadget>
<output>113</output>

<gadget id="calculator">113 * 8</gadget>
<output>904</output>

<gadget id="calculator">77 * 6</gadget>
<output>462</output>

<gadget id="calculator">904 - 462</gadget>
<output>442</output>

<result>442</result>