How many different ways can a bracelet be strung with 6 colored beads of different colors?
用6颗颜色不同的彩色珠子串成一个手链，有多少种不同的串法．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">5 * 4 * 3 * 2 * (1/2)</gadget>
<output>60</output>

<result>60</result>