Given that 20.11-□*0.03+0.27=19.9, then □=how much
已知20.11-□*0.03+0.27=19.9，则□=多少
<gadget id="calculator">19.9 - 0.27</gadget>
<output>19.63</output>

<gadget id="calculator">20.11 - 19.63</gadget>
<output>0.48</output>

<gadget id="calculator">0.48 / 0.03</gadget>
<output>16</output>

<result>16</result>