If the number A is 13 times the number B, then the number B is the number A.
如果甲数是乙数的13倍，那么乙数是甲数的多少．
<gadget id="calculator">1 / 13</gadget>
<output>1/13 = around 0.076923</output>

<result>1/13 = around 0.076923</result>