A cuboid has a surface area of 94 cm2, a length of 5 cm, and a width of 4 cm. Find the height of the cuboid in cm.
一个长方体的表面积为94平方厘米，长为5厘米，宽为4厘米，求这个长方体的高是多少厘米．
<gadget id="calculator">5 * 4 * 2</gadget>
<output>40</output>

<gadget id="calculator">94 - 40</gadget>
<output>54</output>

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

<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">10 + 8</gadget>
<output>18</output>

<gadget id="calculator">54 / 18</gadget>
<output>3</output>

<result>3</result>