Wangying Township dug a canal, East Village dug 75 meters, West Village dug 65 meters, the two villages just dug the rest (7/8). How many meters are left undug?
王营乡挖一条水渠，东村挖了75米，西村挖了65米，两村挖的正好是剩下的(7/8)．还剩多少米没有挖？
<gadget id="calculator">75 + 65</gadget>
<output>140</output>

<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">140 / (7/8)</gadget>
<output>160</output>

<result>160</result>