If a log with a height of 60 cm and a radius of 12 cm is sawn in half along its diameter, what is the surface area of each part in square centimeters?
如果把一根高60cm，半径12cm的圆木沿直径锯成两半，每一部分的表面积是多少平方厘米？
<gadget id="calculator">12 ** 2</gadget>
<output>144</output>

<gadget id="calculator">3.14 * 144 * 2</gadget>
<output>904.32</output>

<gadget id="calculator">3.14 * 12 * 2 * 60</gadget>
<output>4_521.6</output>

<gadget id="calculator">904.32 + 4_521.6</gadget>
<output>5_425.92</output>

<gadget id="calculator">5_425.92 / 2</gadget>
<output>2_712.96</output>

<gadget id="calculator">12 * 2 * 60 * 2</gadget>
<output>2_880</output>

<gadget id="calculator">2_880 / 2</gadget>
<output>1_440</output>

<gadget id="calculator">2_712.96 + 1_440</gadget>
<output>4_152.96</output>

<result>4_152.96</result>