A glass jar with a length of 8 decimeters, a width of 4 decimeters, and a height of 6 decimeters is filled with some water. How many?
一个长8分米，宽4分米，高6分米的玻璃缸中装了一些水，水高3分米，往水中放入一块鹅卵石，这时水高5分米，这些鹅卵石的体积是多少？
<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">8 * 4 * 2</gadget>
<output>64</output>

<result>64</result>