A 20cm*3 stone is completely submerged in a cuboid glass water bottle with a length of 5cm and a width of 2cm. How many cm will the water level rise?
一块20cm**3的石块完全浸入一个长5cm、宽2cm的长方体玻璃水瓶中，水面会上升多少cm．
<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<gadget id="calculator">20 / 10</gadget>
<output>2</output>

<result>2</result>