It turns out that the price of each football is the price of each basketball (5/9). After the price of each football and each basketball is increased by 3 yuan, the price of each football is the price of each basketball (11/19) , How much is the price of each basketball now.
原来每个足球的价钱是每个篮球价钱的(5/9)，每个足球和每个篮球的售价都提高3元后，每个足球的价钱是每个篮球价钱的(11/19)，现在每个篮球售价多少元．
<gadget id="calculator">11 / 19</gadget>
<output>11/19 = around 0.578947</output>

<gadget id="calculator">3 * (11/19)</gadget>
<output>33/19 = around 1.736842</output>

<gadget id="calculator">3 - (33/19)</gadget>
<output>24/19 = around 1.263158</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">(11/19) - (5/9)</gadget>
<output>4/171 = around 0.023392</output>

<gadget id="calculator">(24/19) / (4/171)</gadget>
<output>54</output>

<gadget id="calculator">54 + 3</gadget>
<output>57</output>

<result>57</result>