Xiao Ming copied all the characters in a picture (2/5). If he wrote 32 more characters, he would have copied 50% of all the characters in this picture. How many words are there in this poster?
小明临摹了一幅字贴所有字的(2/5)，如果他再写32个字，就临摹了这幅字贴所有字的50%．这幅字贴一共有多少个字？
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(1/2) - (2/5)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">32 / (1/10)</gadget>
<output>320</output>

<result>320</result>