Xiao Ming played a coin tossing game, 5 of the first 9 times it was heads, and the tenth time it was more or less up.
小明做抛硬币游戏，前9次有5次正面向上，第十次多少向上．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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