A chemical factory adopts new technology and uses 14 tons of materials per day. In this way, the raw materials used for 7 days can now be used for 10 days. How many tons of raw materials does this factory save every day compared with the past?
某化工厂采用新技术，每天用料14吨．这样，原来7天用的原料，现在可以用10天．这个厂现在每天比过去节约多少吨原料？
<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>