Pour 72 liters of water into a cuboid water tank with a length of 8 decimeters, a width of 3 decimeters, and a height of 4 decimeters. How many decimeters is the distance between the water tank and the tank mouth?
把72升水倒入一个长8分米，宽3分米，高4分米的长方体水箱内，这时水箱距箱口多少分米．
<gadget id="calculator">8 * 3</gadget>
<output>24</output>

<gadget id="calculator">72 / 24</gadget>
<output>3</output>

<gadget id="calculator">4 - 3</gadget>
<output>1</output>

<result>1</result>