The edge length of a cube water tank is 6 decimeters, and it is filled with water. If all the water is poured into a cuboid goldfish tank with a length of 9 decimeters, a width of 4 decimeters, and a height of 7 decimeters, what is the depth of the water in the goldfish tank? rice?
一个正方体水箱的棱长是6分米，里面盛满了水，如果把水全部倒进一个长9分米，宽4分米，高7分米的长方体金鱼缸里，金鱼缸里水深多少分米？
<gadget id="calculator">9 * 4</gadget>
<output>36</output>

<gadget id="calculator">6 / 36</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">6 * 6 * (1/6)</gadget>
<output>6</output>

<result>6</result>