The construction team repaired a 450-meter-long rural road. The first week (2/9) was completed, and the second week (2/5). How many meters will it take to complete the task?
工程队修一条长450米的乡村公路，第一周修了(2/9)，第二周修了(2/5)，再修多少米才能完成任务？
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

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

<gadget id="calculator">1 - (2/9) - (2/5)</gadget>
<output>17/45 = around 0.377778</output>

<gadget id="calculator">450 * (17/45)</gadget>
<output>170</output>

<result>170</result>