If you draw 3 triangles, 2 circles, and 1 straight line on a plane, how many parts can the plane be divided into at most?
如果在一个平面上画出3个三角形，2个圆、1条直线，最多能把平面分成几个部分？
<gadget id="calculator">3 * 3 * 2</gadget>
<output>18</output>

<gadget id="calculator">2 + 18</gadget>
<output>20</output>

<gadget id="calculator">4 + 4</gadget>
<output>8</output>

<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">20 + 8 + 18 + 6</gadget>
<output>52</output>

<result>52</result>