A fruit shop comes in with 150 kilograms of apples, 60% of which are sold at 8.40 yuan per kilogram, and the rest are sold at a 15% discount. How much did this batch of apples sell for?
某水果店进来150千克苹果，其中60%按每千克8.40元出售，剩下的打八五折出售．这批苹果一共卖了多少元钱？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">150 * (3/5) * 8.4</gadget>
<output>756</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">150 * (2/5) * 8.4 * (17/20)</gadget>
<output>428.4</output>

<gadget id="calculator">756 + 428.4</gadget>
<output>1_184.4</output>

<result>1_184.4</result>