If a piece of iron with a volume of 15 cubic decimeters sinks into water in a cuboid container with a length of 5 decimeters and a width of 2 decimeters, how many decimeters will the water level rise?
一块体积为15立方分米的铁块沉入一个长为5分米，宽为2分米的长方体容器的水中，水面会上升多少分米
<gadget id="calculator">15 / 5 / 2</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>