The sixth grade planted a group of trees in a tree planting activity, 185 survived and 15 died, so what is the survival rate of the sixth grade tree planting?
六年级在一次植树活动中栽下一批树，成活了185棵，死了15棵，那么六年级植树的成活率是多少．
<gadget id="calculator">185 + 15</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>