There is a cuboid container with a rectangular bottom, 3.2 decimeters long and 2.5 decimeters wide when measured from the inside. Inside the container is a cube iron block with a side length of 1 decimeter. Now pour all 11 liters of water into the container, just enough to fill it up. , how many decimeters is this container deep?
有一只长方体容器，底面是长方形，从里面量长3.2分米，宽2.5分米，在容器里有一块棱长1分米的正方体铁块，现将11升水全部倒入容器内，正好盛满，这个容器深有多少分米？
<gadget id="calculator">1 * 1 * 1</gadget>
<output>1</output>

<gadget id="calculator">1 + 11</gadget>
<output>12</output>

<gadget id="calculator">3.2 * 2.5</gadget>
<output>8</output>

<gadget id="calculator">12 / 8</gadget>
<output>3/2 = around 1.5</output>

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