A cuboid glass tank, measured from the inside, is 50 cm long, 40 cm wide, and 20 cm high. Now pour 10 liters of water into the glass tank, what is the depth of the water in cm?
一个长方体玻璃缸，从里面量，长50厘米，宽40厘米，高20厘米，现将10升水倒入玻璃缸中，水深多少厘米．
<gadget id="calculator">50 * 40</gadget>
<output>2_000</output>

<gadget id="calculator">1_000 / 2_000</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">10 * (1/2)</gadget>
<output>5</output>

<result>5</result>