The diameter of the tabletop of the round table in the canteen is 1.4 meters. It is covered with a square tablecloth, and each corner of the tablecloth hangs down from the tabletop by 0.3 meters. How much larger is the tablecloth than the round table?
食堂圆桌桌面的直径是1.4米，把它用一块方形桌布盖上，桌布各角均从桌面向下垂0.3米．这块桌布的面积比圆桌大多少？
<gadget id="calculator">0.3 * 2</gadget>
<output>0.6</output>

<gadget id="calculator">1.4 + 0.6</gadget>
<output>2</output>

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

<gadget id="calculator">2 * 1</gadget>
<output>2</output>

<gadget id="calculator">1.4 / 2</gadget>
<output>0.7</output>

<gadget id="calculator">0.7 ** 2</gadget>
<output>0.49</output>

<gadget id="calculator">3.14 * 0.49</gadget>
<output>1.5386</output>

<gadget id="calculator">2 - 1.5386</gadget>
<output>0.4614</output>

<result>0.4614</result>