The store bought 200 towel quilts at a price of 50 yuan each, and priced them at a profit of 30%. After 80% of the sales were made, the store decided to sell the remaining towel quilts at a 40% discount, and asked the store what the actual profit percentage was at the end. how many?
商店以每条50元的价格购进200条毛巾被，按30%的利润定价，售出80%后，为尽快销售，商店决定打6折出售剩下的毛巾被，问商店最后实际获利的百分数是多少？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 + (3/10)</gadget>
<output>13/10 = around 1.3</output>

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

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

<gadget id="calculator">50 * 1 * (13/10) * (4/5)</gadget>
<output>52</output>

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">50 * 1 * (13/10) * (3/5) * (1/5)</gadget>
<output>39/5 = around 7.8</output>

<gadget id="calculator">50 * 1</gadget>
<output>50</output>

<gadget id="calculator">(39/5) - 50</gadget>
<output>-211/5 = around -42.2</output>

<gadget id="calculator">52 + (-211/5)</gadget>
<output>49/5 = around 9.8</output>

<gadget id="calculator">(49/5) / 50</gadget>
<output>49/250 = around 0.196</output>

<gadget id="calculator">(49/250) * 1</gadget>
<output>49/250 = around 0.196</output>

<result>49/250 = around 0.196</result>