The sum of the lengths of the sides of a cuboid is 80 centimeters, the length is 1 decimeter, the width is 7 centimeters, and the height is in centimeters.
一个长方体的棱长总和是80厘米，其中长是1分米，宽是7厘米，高是多少厘米．
<gadget id="calculator">80 / 4</gadget>
<output>20</output>

<gadget id="calculator">1 * 10</gadget>
<output>10</output>

<gadget id="calculator">10 + 7</gadget>
<output>17</output>

<gadget id="calculator">20 - 17</gadget>
<output>3</output>

<result>3</result>