A fruit merchant wholesales 150 kilograms of oranges for 150 yuan, priced at 2.5 yuan, 60% of which are sold at the fixed price, 25% of which are sold at a 40% discount, and the rest are rotten. Did the greengrocer make a profit or a loss in this transaction? What is the profit or loss ratio?
某水果商用150元批发了150千克的橘子，定价2.5元，其中60%的橘子以定价出售，25%的橘子打六折出售，剩下的橘子烂了．这个水果商做这笔买卖是赚了，还是亏了？盈利率或亏损率是多少？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">150 * (3/5) * 2.5</gadget>
<output>225</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">150 * (1/4) * 2.5 * (3/5)</gadget>
<output>56.25</output>

<gadget id="calculator">225 + 56.25</gadget>
<output>281.25</output>

<gadget id="calculator">281.25 - 150</gadget>
<output>131.25</output>

<gadget id="calculator">131.25 / 150</gadget>
<output>0.875</output>

<result>0.875</result>