The sum of the lengths of all the sides of a cuboid is 60 cm. It is known that the length is 5 cm and the width is 2 cm. What is the height in cm?
一个长方体的所有棱长总和是60厘米，已知长是5厘米，宽是2厘米，高应该是多少厘米？
<gadget id="calculator">60 / 4</gadget>
<output>15</output>

<gadget id="calculator">15 - 5 - 2</gadget>
<output>8</output>

<result>8</result>