Xiaoxiao can now skip 182 ropes per minute, which is an increase (1/13) from a month ago. How many ropes could Xiaoxiao skip per minute a month ago?
笑笑现在每分钟可跳绳182个，比一个月前提高了(1/13)，笑笑一个月前每分钟可跳绳多少个？
<gadget id="calculator">1 / 13</gadget>
<output>1/13 = around 0.076923</output>

<gadget id="calculator">1 + (1/13)</gadget>
<output>14/13 = around 1.076923</output>

<gadget id="calculator">182 / (14/13)</gadget>
<output>169</output>

<result>169</result>