Put a cuboid food box with length, width and height of 7cm, 5cm and 4cm respectively on the table. What is the area of the tabletop occupied by this food box in cm**2.
把一个长、宽、高分别是7cm、5cm、4cm的长方体食品盒放在桌面上．这个食品盒占桌面的面积是多少cm**2．
<gadget id="calculator">7 * 5</gadget>
<output>35</output>

<result>35</result>