There are 10 points on a semicircle. There are 5 points on the diameter. How many triangles are there with these points as vertices?
在一个半圆上有10个点．其中有5个点在直径上．那么以这些点为顶点的三角形一共有多少个．
<gadget id="calculator">50 + 50 + 10</gadget>
<output>110</output>

<result>110</result>