A measuring cylinder holds 100ml of water, and after putting 3 steel balls of the same size, the water level rises to 160ml. What is the volume of each ball in cubic centimeters?
一个量筒盛有100毫升的水，放人3颗同样大的钢珠后，水面上升到160毫升．每颗钢珠的体积是多少立方厘米．
<gadget id="calculator">160 - 100</gadget>
<output>60</output>

<gadget id="calculator">60 / 3</gadget>
<output>20</output>

<result>20</result>