The teacher brought 1200 yuan, which was used to buy a bicycle (1/3) and to buy a microwave oven (2/5). How much money does Mr. Liu have left?
老师带了1200元，买自行车用去总钱数的(1/3)，买微波炉用去总钱数的(2/5)．刘老师还剩多少元？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (1/3) - (2/5)</gadget>
<output>4/15 = around 0.266667</output>

<gadget id="calculator">1_200 * (4/15)</gadget>
<output>320</output>

<result>320</result>