If 1! =1, 2! =1*2, 3! =1*2*3,...5! =1*2*3*4*5． Please calculate ((6!)/(8!)) = how much according to this rule.
如果1！=1，2！=1*2，3！=1*2*3，…5！=1*2*3*4*5．请你按此规则计算((6!)/(8!))=多少．
<gadget id="calculator">1 * 2 * 3 * 4 * 5 * 6</gadget>
<output>720</output>

<gadget id="calculator">1 * 2 * 3 * 4 * 5 * 6 * 7 * 8</gadget>
<output>40_320</output>

<gadget id="calculator">720 / 40_320</gadget>
<output>1/56 = around 0.017857</output>

<result>1/56 = around 0.017857</result>