A cubic water tank with a length of 4 decimeters is filled with water. The water is poured into a cuboid water tank with an inner length of 1 meter and an inner width of 4 decimeters. What is the height of the water in the tank?
一个内装长4分米的正方体水箱内装满了水，将这些水倒入一个内长1米，内宽4分米的长方体水箱内，箱内水高是多少？
<gadget id="calculator">4 * 1 * 10</gadget>
<output>40</output>

<gadget id="calculator">4 / 40</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">4 * 4 * (1/10)</gadget>
<output>8/5 = around 1.6</output>

<result>8/5 = around 1.6</result>