80% of a number is 5 more than 63 (3/7), what is this number?
一个数的80%比63的(3/7)多5，这个数是多少？
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">63 * (3/7)</gadget>
<output>27</output>

<gadget id="calculator">27 + 5</gadget>
<output>32</output>

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">32 / (4/5)</gadget>
<output>40</output>

<result>40</result>