The volume of a cuboid fuel tank is 225 decimeters**3. Pour this tank of oil into a cuboid fuel tank, which is exactly half of the volume of the cuboid fuel tank. It is known that the cuboid oil stick is 9 decimeters long, 5 decimeters wide, and the fuel tank is deep How many decimeters?
一个正方体的油箱容积是225分米**3，把这一箱油倒入一个长方体油箱内，正好是这个长方体油箱容积的一半，已知长方体油条长9分米，宽5分米，油箱深多少分米？
<gadget id="calculator">9 * 5</gadget>
<output>45</output>

<gadget id="calculator">225 / 45</gadget>
<output>5</output>

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

<result>10</result>