Cut a square piece of paper into the largest circle, the remaining area is 86 square centimeters, what is the area of the circle? (π takes 3.14)
把一个正方形的纸片剪成一个最大的圆，剪剩的面积是86平方厘米，剪成的这个圆的面积是多少？(π取3.14)
<gadget id="calculator">78.5 / 100</gadget>
<output>0.785</output>

<gadget id="calculator">1 - 0.785</gadget>
<output>0.215</output>

<gadget id="calculator">86 / 0.215</gadget>
<output>400</output>

<gadget id="calculator">400 - 86</gadget>
<output>314</output>

<result>314</result>