There are 1,200 mobile phones in Gome Mall, sold on the first day (1/3), sold the rest (3/8) on the second day, and how many mobile phones were sold on the second day.
国美商场共有1200部手机，第一天卖出(1/3)，第二天卖出剩下的(3/8)，第二天卖出手机多少部．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1_200 * (2/3) * (3/8)</gadget>
<output>300</output>

<result>300</result>