Planted 50 saplings, 49 survived. What is the survival rate of this batch of saplings? How many
种50棵树苗，成活49棵．这批树苗的成活率是多少？多少
<gadget id="calculator">49 / 50</gadget>
<output>49/50 = around 0.98</output>

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

<gadget id="calculator">(49/50) * 1</gadget>
<output>49/50 = around 0.98</output>

<result>49/50 = around 0.98</result>