After the Yinshan Chemical Plant adopts the new technology, only 14 tons of raw materials are used every day. In this way, raw materials that could only be used for 7 days can be used for 10 days now. How many tons of raw materials are saved every day compared with the past?
银山化工厂采用新技术后，每天只用14吨原料．这样，原来只能用7天的原料，现在可以用10天．现在比过去每天节约多少吨原料？
<gadget id="calculator">10 / 7</gadget>
<output>10/7 = around 1.428571</output>

<gadget id="calculator">14 * (10/7)</gadget>
<output>20</output>

<gadget id="calculator">20 - 14</gadget>
<output>6</output>

<result>6</result>