Yangyang and Congcong go to the market to sell handicrafts on festivals. Yangyang has more handicrafts than Congcong (1/5), and the price is 2 yuan each. Sell your handicrafts at a 20% price increase. In this way, when all the products were sold out, Cong Cong paid 240 yuan more than Yang Yang. How many handicrafts did Yang Yang sell?
扬扬和聪聪节日到集市上卖工艺品，扬扬的工艺品比聪聪多(1/5)，定价每个2元，实际售卖的时候扬扬把自己的工艺品降价(1/10)，聪聪把自己的工艺品升价20%出售．这样，到全部卖完时，聪聪卖的货款比扬扬多240元，扬扬卖了多少个工艺品？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">2 * (6/5)</gadget>
<output>12/5 = around 2.4</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">2 * (9/10)</gadget>
<output>9/5 = around 1.8</output>

<gadget id="calculator">2 * (9/10) * (1/5)</gadget>
<output>9/25 = around 0.36</output>

<gadget id="calculator">(12/5) - (9/5) - (9/25)</gadget>
<output>6/25 = around 0.24</output>

<gadget id="calculator">240 / (6/25)</gadget>
<output>1_000</output>

<gadget id="calculator">(6/5) * 1_000</gadget>
<output>1_200</output>

<result>1_200</result>