To dig a 1,200-meter-long canal, the full length (1/3) was dug on the first day, and 50% of the full length was dug on the second day. How many meters are left to be dug?
挖一条长1200米的水渠，第一天挖了全长的(1/3)，第二天挖了全长的50%，还有多少米没有挖？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/3) - (1/2)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1_200 * (1/6)</gadget>
<output>200</output>

<result>200</result>