After the earthquake in Ludian, Yunnan, the uncle of the People's Liberation Army wanted to rush to repair a 450m long road, and (1/2) of this road was repaired on the first day. The length of emergency repair on the second day is (4/5) of the first day. How many meters were repaired the next day?
云南鲁甸发生地震后，解放军叔叔要抢修一条长450m的道路，第一天抢修了这条道路的(1/2)．第二天抢修的长度是第一天的(4/5)．第二天抢修了多少米？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">450 * (1/2) * (4/5)</gadget>
<output>180</output>

<result>180</result>