(4/7) of a number is equal to the difference between 14.3 and 6.1. Find this number.
一个数的(4/7)等于14.3与6.1的差．求这个数．
<gadget id="calculator">14.3 - 6.1</gadget>
<output>8.2</output>

<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">8.2 / (4/7)</gadget>
<output>14.35</output>

<result>14.35</result>