If a 20cm*3 piece of iron sinks into a cuboid container with a length of 5cm and a width of 2cm, how much will the water level rise in cm?
一块20cm**3的铁块沉入一个长5cm，宽2cm的长方体容器中，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>