The stationery store brings in 65 boxes of red and blue ink. When 11 boxes of red ink are sold and 20% of blue ink is sold, the remaining red and blue inks are equal. How many boxes of blue ink were sold?
文具店运进红蓝墨水65箱，当红墨水售出11箱，蓝墨水售出20%后，剩下的红蓝墨水相等．问售出蓝墨水多少箱？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">65 * (1/5)</gadget>
<output>13</output>

<gadget id="calculator">65 - 13</gadget>
<output>52</output>

<gadget id="calculator">11 + 52</gadget>
<output>63</output>

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

<gadget id="calculator">1 + (4/5)</gadget>
<output>9/5 = around 1.8</output>

<gadget id="calculator">63 / (9/5)</gadget>
<output>35</output>

<gadget id="calculator">65 - 35</gadget>
<output>30</output>

<gadget id="calculator">30 * (1/5)</gadget>
<output>6</output>

<result>6</result>