There are two ropes of equal length, the first one is cut off by 35 meters, and the second one is cut off by 5 meters, and the result is that the length of the second rope is four times that of the first one. How many meters was the first rope originally?
有两根长度相等的绳子，第一根剪去35米，第二根剪去5米，结果第二根的长度是第一根的4倍．第一根绳子原来有多少米？
<gadget id="calculator">35 * 4</gadget>
<output>140</output>

<gadget id="calculator">140 - 5</gadget>
<output>135</output>

<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">135 / 3</gadget>
<output>45</output>

<result>45</result>