Put a square iron block with a side length of 10 cm into a rectangular parallelepiped container with a water depth of 16 cm. The container is 40 cm long, 10 cm wide, and 25 cm high. The water in the container is now The iron block completely submerged the cube, what is the current height of the water?
把一块棱长为10厘米的正方体铁块放入一个水深为16厘米的长方体容器中，该容器的长为40厘米，宽为10厘米，高为25厘米的长方体容器中，现在容器中的水完全淹没正方体的铁块，求现在水的高度？
<gadget id="calculator">10 * 10 * 10</gadget>
<output>1_000</output>

<gadget id="calculator">10 * 40</gadget>
<output>400</output>

<gadget id="calculator">1_000 / 400</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">(5/2) + 16</gadget>
<output>37/2 = around 18.5</output>

<result>37/2 = around 18.5</result>