Uncle Zhao’s peach garden planted 50 peach trees, but 3 failed to survive. What is the survival rate?
赵大伯家的桃园种了50棵桃树，3棵没有成活，成活率是多少．
<gadget id="calculator">50 - 3</gadget>
<output>47</output>

<gadget id="calculator">47 / 50</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>