skipping rope is 12 yuan, a football is 85 yuan, Mr. Li bought 12 footballs with 1500 yuan, how many skipping ropes can the remaining money buy?
一根跳绳12元，一个足球85元，李老师带1500元钱买了12个足球剩下的钱能买多少根跳绳？
<gadget id="calculator">85 * 12</gadget>
<output>1_020</output>

<gadget id="calculator">1_500 - 1_020</gadget>
<output>480</output>

<gadget id="calculator">480 / 12</gadget>
<output>40</output>

<result>40</result>