Both Xiao Ming and Xiao Hua are stamp collectors. They have a total of 160 stamps. If Xiao Ming gives (1/5) to Xiao Hua, they both have the same number of stamps. How many stamps does Xiao Ming have?
小明和小华都是集邮爱好者．他们共有160枚邮票，如果小明拿出(1/5)给小华，这时两人的邮票同样多，原来小明有多少枚邮票？
<gadget id="calculator">160 / 2</gadget>
<output>80</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">80 / (4/5)</gadget>
<output>100</output>

<result>100</result>