Nutritionists suggest that children's daily water intake should not be less than 1500 ml. Xiaogang drank 6 glasses of water every day from a cylindrical cup with a bottom diameter of 6 cm and a height of 10 cm. How many milliliters of water did he drink every day? Have you met the requirements? (The thickness of the water glass is ignored)
营养学家建议，儿童每天水的摄入量应不少于1500毫升．小刚每天用底面直径6厘米，高10厘米的圆柱形水杯喝了6杯水，他每天喝了多少毫升的水？达到要求了吗？(水杯的厚度忽略不计)
<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 * 6</gadget>
<output>1_695.6</output>

<result>1_695.6</result>