On Arbor Day this year, Huayuan Road Primary School planted 180 saplings, 15 of which failed to survive, and 20 were replanted later, all of which survived. What is the survival rate of the saplings planted in Huayuan Road Primary School this year?
今年植树节，花园路小学种植了180棵树苗，其中15棵未成活，后来又补种了20棵，全部成活．今年花园路小学种植树苗的成活率是多少．
<gadget id="calculator">180 - 15</gadget>
<output>165</output>

<gadget id="calculator">165 + 20</gadget>
<output>185</output>

<gadget id="calculator">180 + 20</gadget>
<output>200</output>

<gadget id="calculator">185 / 200</gadget>
<output>37/40 = around 0.925</output>

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

<gadget id="calculator">(37/40) * 1</gadget>
<output>37/40 = around 0.925</output>

<result>37/40 = around 0.925</result>