A platform with a volume of 25m**3 is piled up with cube stones with a side length of 5dm. How many pieces of such stones are used in total?
用棱长为5dm的正方体石料堆砌成一个体积是25m**3的平台，一共要用多少块这样的石料？
<gadget id="calculator">5 / 10</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * (1/2) * (1/2)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">25 / (1/8)</gadget>
<output>200</output>

<result>200</result>