The bottom area of a cylindrical container is 78.5cm**2. When a piece of iron with a volume of 157cm**3 is put into this container, how many cm will the water level rise?
一个圆柱形容器的底面积是78.5cm**2，把一块体积为157cm**3的铁块放入这个容器后，水面上升多少cm．
<gadget id="calculator">157 / 78.5</gadget>
<output>2</output>

<result>2</result>