Uncle Li planted 100 bananas, but only 60 survived. Later, he added another 60, and all of them survived. What is the correct formula for finding the survival rate of all the bananas planted?
李大伯种植了100棵香蕉，只成活了60棵，后来又补了60棵，全部成活了，求所种的全部香蕉成活率的正确算式是多少
<gadget id="calculator">60 + 60</gadget>
<output>120</output>

<gadget id="calculator">100 + 60</gadget>
<output>160</output>

<gadget id="calculator">120 / 160</gadget>
<output>3/4 = around 0.75</output>

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

<gadget id="calculator">(3/4) * 1</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>