The numerator of an improper fraction is 19. After converting it into a mixed fraction, the integer part, numerator, and denominator are three consecutive natural numbers. Find this improper fraction.
一个假分数的分子是19，把它化成带分数后，整数部分、分子、分母是三个连续自然数，求这个假分数．
<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<gadget id="calculator">15 + 4</gadget>
<output>19</output>

<gadget id="calculator">19 / 5</gadget>
<output>19/5 = around 3.8</output>

<result>19/5 = around 3.8</result>