A cuboid with a length of 10 meters, a width of 8 meters and a height of 8 meters is filled with half a bucket of water, what is the area of the contact surface between the water and the cuboid?
一个长10米，宽8米，高8米的长方体装了半桶水，求水与长方体接触面的面积？
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">10 * 4</gadget>
<output>40</output>

<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<gadget id="calculator">40 + 32</gadget>
<output>72</output>

<gadget id="calculator">72 * 2</gadget>
<output>144</output>

<gadget id="calculator">10 * 8</gadget>
<output>80</output>

<gadget id="calculator">144 + 80</gadget>
<output>224</output>

<result>224</result>