Paint red on 2 faces of a cube, paint 2 faces yellow, paint green on one face, and paint red, yellow, and green on the other face. After throwing the cube, the upward face has red color. How likely is it to be.
在一个正方体2个面上涂红色，2个面上涂黄色，一个面上涂绿色，还有一个面上涂红、黄、绿三种颜色，把正方体掷出后，向上的面有红颜色的可能性是多少．
<gadget id="calculator">3 / 6</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>