On Arbor Day this year, Tianyuan Primary School planted 148 trees, 12 of which failed to survive, and 12 were replanted later, all of which survived. What is the survival rate of tree planting in Tianyuan Primary School on Arbor Day this year?
今年植树节，甜园小学种了148棵树，其中有12棵未成活，后来又补种了12棵，全部成活．今年植树节甜园小学植树的成活率是多少．
<gadget id="calculator">148 + 12</gadget>
<output>160</output>

<gadget id="calculator">148 / 160</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>