After the new technology is adopted in the alcohol factory, 14 tons of raw materials are used every day. In this way, the raw materials used for a week can be used for 10 days now. How many tons of raw materials are used less per day than in the past?
酒精厂采用新技术后，每天用原料14吨，这样过去用一周的原料，现在可以用10天，这个工厂现在比过去每天少用原料多少吨？
<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>