16.27 is 7.35 less than twice a number, what is this number?
16.27比一个数的2倍少7.35，这个数是多少？
<gadget id="calculator">16.27 + 7.35</gadget>
<output>23.62</output>

<gadget id="calculator">23.62 / 2</gadget>
<output>11.81</output>

<result>11.81</result>