A cube water tank with side length 6dm is filled with water, if all the water is poured into a cuboid water tank with length 9m and width 6dm, what is the height of the water?
一个棱长6dm的正方体水箱装满水，若把水全部倒入一个长9m、宽6dm的长方体水箱中，水的高度是多少？
<gadget id="calculator">9 * 10</gadget>
<output>90</output>

<gadget id="calculator">90 * 6</gadget>
<output>540</output>

<gadget id="calculator">6 / 540</gadget>
<output>1/90 = around 0.011111</output>

<gadget id="calculator">6 * 6 * (1/90)</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>