If a number is divided by 8 and then subtracted by 3, the number obtained is 66 less than the original number, what is the original number?
一个数除以8后再减3，得到的数比原来的数少66，原来的数是多少．
<gadget id="calculator">66 - 3</gadget>
<output>63</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 - (1/8)</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">63 / (7/8)</gadget>
<output>72</output>

<result>72</result>