It is known that the area of an acute triangle is 6 square centimeters. Take its three vertices as the center and cut off a sector with a radius of 1 centimeter. What is the area of the remaining part in square centimeters?
已知一锐角三角形的面积是6平方厘米，以它的三个顶点为圆心各剪去半径为1厘米的扇形，余下部分的面积是多少平方厘米．
<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">3.14 * (1/2)</gadget>
<output>1.57</output>

<gadget id="calculator">6 - 1.57</gadget>
<output>4.43</output>

<result>4.43</result>