A cuboid stone with a length of 7 decimeters, a width of 4 decimeters, and a height of 5 decimeters, what is the maximum area in square decimeters?
一块长7分米，宽4分米，高5分米的长方体石块，占地面积最大是多少平方分米．
<gadget id="calculator">7 * 5</gadget>
<output>35</output>

<result>35</result>