Uncle Wang’s house is going to build a cylindrical reservoir. On the drawing with a scale of 1:100, the diameter of the bottom of the pool is 4 cm and the height is 5 cm. After repairing the reservoir according to this picture, the bottom and surrounding areas of the reservoir should be covered with cement. How many square meters is the area covered with cement?
王叔叔家要建一个圆柱形的蓄水池，在比例尺上是1：100的图纸上，水池的底面直径是4厘米，高是5厘米．按照这张图修好蓄水池后，要将水池的底部和四周抹上水泥，抹水泥的面积是多少平方米？
<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">4 / (1/100) / 100</gadget>
<output>4</output>

<gadget id="calculator">5 / (1/100) / 100</gadget>
<output>5</output>

<gadget id="calculator">3.14 * 4 * 5</gadget>
<output>62.8</output>

<gadget id="calculator">4 / (1/100) / 100 / 2</gadget>
<output>2</output>

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

<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>

<gadget id="calculator">62.8 + 12.56</gadget>
<output>75.36</output>

<result>75.36</result>