A bottle of mineral water, after Xiaoming drank some, there is still some water left in the bottle. Measure the height of the water to be 10 cm. Tighten the cap of the bottle and lay it upside down. Measure the height of the water-free part to be 14 cm. The inner diameter of the bottle is 6 cm. , what is the volume of this bottle?
一瓶矿泉水，小明喝了一些后瓶中还剩一些量得水高10厘米，把瓶盖拧紧后倒着放平，量得无水部分高14厘米，已知瓶子的内直径是6厘米，这个瓶子的容积是多少？
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

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

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

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

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

<result>678.24</result>