A cuboid water tank without a cover is 20 decimeters long, 4 decimeters wide, and 6 decimeters high. Fill the water tank with water, and then pour this water into a cube water tank with an edge length of 8 decimeters. What is the height of the water surface? rice?
一个无盖的长方体水箱，长20分米，宽4分米，高6分米，将水箱装满水，再将这箱水倒入棱长是8分米的正方体水箱中，水面高多少分米？
<gadget id="calculator">8 * 8</gadget>
<output>64</output>

<gadget id="calculator">6 / 64</gadget>
<output>3/32 = around 0.09375</output>

<gadget id="calculator">20 * 4 * (3/32)</gadget>
<output>15/2 = around 7.5</output>

<result>15/2 = around 7.5</result>