In the following three formulas, the same number is filled in the three boxes, □-0.07=(19/50), □*0.75=(9/28), 0.375/□=(5/6), if in Among these three formulas, exactly two formulas are correct, so what is the number in the box.
在下面三个算式中，三个方框内部都填同一个数，□-0.07=(19/50)，□*0.75=(9/28)，0.375/□=(5/6)，如果在这三个算式中，恰好有两个算式是正确的，那么方框中的数是多少．
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">0.375 / (5/6)</gadget>
<output>0.45</output>

<result>0.45</result>