A right triangle, the hypotenuse and the two sides are 10cm, 8cm, 6cm respectively, what is the area in cm after reducing the triangle by 1:2**2.
一个直角三角形，斜边和两条直角边分别为10cm，8cm，6cm，把这个三角形按1：2缩小后的面积是多少cm**2．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">6 * (1/2)</gadget>
<output>3</output>

<gadget id="calculator">8 * (1/2)</gadget>
<output>4</output>

<gadget id="calculator">4 / 2</gadget>
<output>2</output>

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

<result>6</result>