In a 6*5 grid, a triangle can be combined by taking three different points. How many triangles can be formed?
在6*5的方格中，取不同的三个点就可以组合一个三角形，试求可以组成多少个三角形？
<gadget id="calculator">2_870 - 210 - 140 - 6</gadget>
<output>2_514</output>

<result>2_514</result>