Two canals were dug in Lanhua Township. The first one is 850 meters long, and the second one is 65 meters longer than the first one (4/5). How long is the second canal?
兰花乡挖了两条水渠，第一条长850米，第二条比第一条的(4/5)多65米，第二条水渠长多少米？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">850 * (4/5)</gadget>
<output>680</output>

<gadget id="calculator">680 + 65</gadget>
<output>745</output>

<result>745</result>