A cubic wooden box has a side length of 52 cm measured from the outside and a wall thickness of 1 cm. Find the volume of this wooden box.
一个正方体木箱，从外面量得棱长52厘米，箱壁厚1厘米，求这个木箱的容积．
<gadget id="calculator">1 * 2</gadget>
<output>2</output>

<gadget id="calculator">52 - 2</gadget>
<output>50</output>

<gadget id="calculator">50 * 50 * 50</gadget>
<output>125_000</output>

<result>125_000</result>