Xiao Ming drank some of the mineral water filled with water. After the bottle cap is tightly closed, the height of the water measured is 14cm. After the bottle is turned upside down and laid flat, the height of the water-free part is 10cm. The inner diameter of the bottle is 6cm. What is the volume of this mineral water bottle in milliliters?
一装满水的矿泉水，小明喝了一些．把瓶盖盖紧后量水的高是14cm，把瓶子倒过来放平后，无水部分高10cm，这瓶子的内直径是6cm，这个矿泉水瓶的容积是多少毫升？
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9 * 14</gadget>
<output>395.64</output>

<gadget id="calculator">3.14 * 9 * 10</gadget>
<output>282.6</output>

<gadget id="calculator">395.64 + 282.6</gadget>
<output>678.24</output>

<result>678.24</result>