number plus its (9/20) equals 58, what is this number?
一个数加上它的(9/20)等于58，这个数是多少？
<gadget id="calculator">9 / 20</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">1 + (9/20)</gadget>
<output>29/20 = around 1.45</output>

<gadget id="calculator">58 / (29/20)</gadget>
<output>40</output>

<result>40</result>