There are two baskets of apples, the first basket is 13 kilograms more than the second basket, if 4 kilograms are taken from the second basket and put into the first basket, the remaining (2/5) of the second basket is equivalent to ( 3/11), how many kilograms are there in the second basket?
有两筐苹果，第一筐比第二筐多13千克，若从第二筐拿出4千克放入第一筐，则第二筐剩下的(2/5)相当于第一筐的(3/11)，则第二筐原有多少千克？
<gadget id="calculator">3 / 11</gadget>
<output>3/11 = around 0.272727</output>

<gadget id="calculator">13 * (3/11)</gadget>
<output>39/11 = around 3.545455</output>

<gadget id="calculator">4 * (3/11)</gadget>
<output>12/11 = around 1.090909</output>

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

<gadget id="calculator">4 * (2/5)</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">(39/11) + (12/11) + (8/5)</gadget>
<output>343/55 = around 6.236364</output>

<gadget id="calculator">(2/5) - (3/11)</gadget>
<output>7/55 = around 0.127273</output>

<gadget id="calculator">(343/55) / (7/55)</gadget>
<output>49</output>

<result>49</result>