My TV cabinet has four drawers, each of which is 25 cm long, 25 cm wide, and 8 cm high. Q: How many boards are needed to make these drawers?
我家电视柜有四个抽屉，每个长25厘米，宽25厘米，高8厘米，问：做这些抽屉需多大面积的木板才行？
<gadget id="calculator">25 * 25</gadget>
<output>625</output>

<gadget id="calculator">25 * 8</gadget>
<output>200</output>

<gadget id="calculator">200 + 200</gadget>
<output>400</output>

<gadget id="calculator">400 * 2</gadget>
<output>800</output>

<gadget id="calculator">625 + 800</gadget>
<output>1_425</output>

<gadget id="calculator">1_425 * 4</gadget>
<output>5_700</output>

<result>5_700</result>