How much wrapping paper should be used to pack 4 tapes with a length of 10cm, a width of 7cm, and a height of 2cm into a package?
把4个长10cm，宽7cm，高2cm的4盒磁带包成一包，最少要用多少包装纸？
<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<gadget id="calculator">8 * 7 * 2</gadget>
<output>112</output>

<gadget id="calculator">8 * 10 * 2</gadget>
<output>160</output>

<gadget id="calculator">7 * 10 * 2</gadget>
<output>140</output>

<gadget id="calculator">112 + 160 + 140</gadget>
<output>412</output>

<result>412</result>