There are 10 cards with the numbers 1 to 10 written on them, if one is drawn randomly, what is the probability of getting an even number?
有10张卡片，上面分别写着1～10这些数，任意摸出一张，摸到偶数的可能性是多少
<gadget id="calculator">5 / 10</gadget>
<output>1/2 = around 0.5</output>

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