Plant a batch of saplings, plant 141 alive, and 9 die, what is the survival rate?
栽种一批树苗，栽活141棵，死去9棵，成活率为多少．
<gadget id="calculator">141 + 9</gadget>
<output>150</output>

<gadget id="calculator">141 / 150</gadget>
<output>47/50 = around 0.94</output>

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

<gadget id="calculator">(47/50) * 1</gadget>
<output>47/50 = around 0.94</output>

<result>47/50 = around 0.94</result>