A truck transports 35 tons of goods 5 times. Now, how many vehicles are needed to transport 91 tons of goods with such a car?
一辆载重汽车5次运货物35吨．现在，用这样的汽车去运91吨货物，要求一次运完，需要多少辆车？
<gadget id="calculator">35 / 5</gadget>
<output>7</output>

<gadget id="calculator">91 / 7</gadget>
<output>13</output>

<result>13</result>