The landscaping team will plant a batch of saplings. 15% of the total number were planted on the first day, and 152 trees were planted on the second day. The ratio of the rest to the number of trees that have been planted is 3:5. How many saplings are there in total?
园林绿化队要栽一批树苗．第一天栽了总数的15%，第二天栽了152棵．剩下的与已栽的棵数的比是3：5．这批树苗一共有多少棵．
<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">(5/8) - (3/20)</gadget>
<output>19/40 = around 0.475</output>

<gadget id="calculator">152 / (19/40)</gadget>
<output>320</output>

<result>320</result>