A number (3/7) is 3 less than 2 times 36, find this number.
一个数的(3/7)比36的2倍少3，求这个数．
<gadget id="calculator">36 * 2</gadget>
<output>72</output>

<gadget id="calculator">72 - 3</gadget>
<output>69</output>

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">69 / (3/7)</gadget>
<output>161</output>

<result>161</result>