A cuboid glass tank is 8dm long, 4dm wide, 6dm high, and the water depth is 3.8dm. How high will the water in the tank rise if a cube of iron with side length 4dm is thrown in?
一个长方体的玻璃缸，长8dm、宽4dm、高6dm，水深3.8dm．如果投入一块棱长为4dm的正方体铁块，缸里的水会上升到多高？
<gadget id="calculator">4 * 4 * 4</gadget>
<output>64</output>

<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<gadget id="calculator">64 / 32</gadget>
<output>2</output>

<gadget id="calculator">2 + 3.8</gadget>
<output>5.8</output>

<result>5.8</result>