There is a measuring cup with 600 milliliters of water in it. Now immerse 3 iron cones in it but the water does not overflow. The bottom area of each cone is 10 square centimeters and the height is 5 centimeters. What is the scale of the water surface in milliliters?
有一个量杯，内有600毫升水，现把3个圆锥体铁块浸入其中但水未溢出，每个圆锥的底面积是10平方厘米，高是5厘米，现在水面的刻度是多少毫升．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 10 * 5 * 3</gadget>
<output>50</output>

<gadget id="calculator">50 + 600</gadget>
<output>650</output>

<result>650</result>