A bundle of lead wires weighs 1300 grams. After cutting 60 meters, the bundle of lead wires is 390 grams less. How many meters are left in the bundle of lead wires?
一捆铅丝重1300克，剪下60米后，这捆铅丝少了390克，这捆铅丝还剩多少米？
<gadget id="calculator">1_300 - 390</gadget>
<output>910</output>

<gadget id="calculator">390 / 60</gadget>
<output>13/2 = around 6.5</output>

<gadget id="calculator">910 / (13/2)</gadget>
<output>140</output>

<result>140</result>