It is known that the radius of the large circle is (4/3) that of the small circle, and the large circle is 35cm**2 larger than the small circle, what is the area of the small circle in cm**2?
已知大圆半径是小圆半径的(4/3)，大圆比小圆大35cm**2，则小圆的面积是多少cm**2．
<gadget id="calculator">16 - 9</gadget>
<output>7</output>

<gadget id="calculator">35 / 7</gadget>
<output>5</output>

<gadget id="calculator">5 * 9</gadget>
<output>45</output>

<result>45</result>