A cylinder with a height of 10cm, if a section of 3cm is cut off, the surface area is reduced by 94.2cm**2 from the original, find the surface area of the remaining cylinder.
一个圆柱体高为10cm，若截去3cm的一段后，表面积比原来减少了94.2cm**2，求剩下的圆柱体的表面积．
<gadget id="calculator">94.2 / 3</gadget>
<output>31.4</output>

<gadget id="calculator">31.4 / 3.14 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">3.14 * 25 * 2</gadget>
<output>157</output>

<gadget id="calculator">10 - 3</gadget>
<output>7</output>

<gadget id="calculator">31.4 * 7</gadget>
<output>219.8</output>

<gadget id="calculator">157 + 219.8</gadget>
<output>376.8</output>

<result>376.8</result>