Teacher Wang planted some flowers, and the number of surviving trees was 19 times that of the unsurviving ones. Find the survival rate of these flowers.
王老师种了一些花，成活的棵数是未成活的19倍，求这些花的成活率．
<gadget id="calculator">19 + 1</gadget>
<output>20</output>

<gadget id="calculator">19 / 20</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(19/20) * 1</gadget>
<output>19/20 = around 0.95</output>

<result>19/20 = around 0.95</result>