A little snail climbed (8/19) meters on the first day and (13/19) meters on the second day. How many more meters did the snail climb on the second day than on the first day?
一只小蜗牛第一天爬了(8/19)米，第二天爬了(13/19)米，第二天比第一天多爬了多少米？
<gadget id="calculator">13 / 19</gadget>
<output>13/19 = around 0.684211</output>

<gadget id="calculator">8 / 19</gadget>
<output>8/19 = around 0.421053</output>

<gadget id="calculator">(13/19) - (8/19)</gadget>
<output>5/19 = around 0.263158</output>

<result>5/19 = around 0.263158</result>