cuboid has a base area of 18 cm2 and a volume of 45 cm3. What is its height in centimeters.
一个长方体的底面积是18平方厘米，体积是45立方厘米．它的高是多少厘米．
<gadget id="calculator">45 / 18</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>