Xiaohua traveled from home to the Children's Palace (2/5) for more than 240 meters. At this time, he was 840 meters away from home. How many meters is Xiaohua's home from the Children's Palace?
小华从家到少年宫行了全程的(2/5)多240米，这时离家有840米，小华家离少年宫有多少米？
<gadget id="calculator">840 + 240</gadget>
<output>1_080</output>

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

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1_080 / (3/5)</gadget>
<output>1_800</output>

<result>1_800</result>