A cylindrical gasoline barrel has a bottom diameter of 12 cm and a height of 2 cm. How many milliliters of gasoline can this barrel hold?
一个圆柱形汽油桶，底面直径是12厘米，高2厘米，这个油桶能装多少毫升汽油？
<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<gadget id="calculator">6 ** 2</gadget>
<output>36</output>

<gadget id="calculator">3.14 * 36 * 2</gadget>
<output>226.08</output>

<result>226.08</result>