A kind of green refrigerator, the original price is 3840 yuan per unit, the price is increased (1/10) and then reduced (1/8), what is the current price?
一种绿色冰箱，原价每台3840元，先提价(1/10)后，又降价(1/8)，现价是多少元？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 - (1/8)</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">3_840 * (11/10) * (7/8)</gadget>
<output>3_696</output>

<result>3_696</result>