The number of Xiaohong's stamps is Xiaoming's (3/5), if Xiaoming sends 10 to Xiaohong, the number of stamps of the two is equal. How many stamps does Xiao Ming have?
小红邮票张数是小明的(3/5)，若小明送10张给小红，则两人邮票张数相等．原来小明有邮票多少张？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">2 / (2/5)</gadget>
<output>5</output>

<gadget id="calculator">10 * 5</gadget>
<output>50</output>

<result>50</result>