A cube container has an edge length of 3dm. Pour 5L of water into the container and then put a stone into the water. At this time, the water depth in the container is measured to be 13cm. What is the volume of this stone in cubic decimeters?
一个正方体容器棱长3dm，向容器中倒入5L水后再把一块石头放入水中，这时量得容器内水深13cm．这块石头的体积是多少立方分米？
<gadget id="calculator">3 * 10 * 3 * 10 * 13</gadget>
<output>11_700</output>

<gadget id="calculator">5 * 1_000</gadget>
<output>5_000</output>

<gadget id="calculator">11_700 - 5_000</gadget>
<output>6_700</output>

<gadget id="calculator">6_700 / 1_000</gadget>
<output>67/10 = around 6.7</output>

<result>67/10 = around 6.7</result>