There is a cube dice, the numbers on the six sides are 1, 2, 3, 4, 5, 6 respectively. If you toss 120 times, what is the approximate number of composite numbers?
有一个正方体的骰子，六个面上的数字分别是1、2、3、4、5、6．掷120次，出现合数的次数约是多少次．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">120 * (1/3)</gadget>
<output>40</output>

<result>40</result>