180 is 10 more than 50% of a number, what is this number?
180比一个数的50%多10，这个数是多少？
<gadget id="calculator">180 - 10</gadget>
<output>170</output>

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">170 / (1/2)</gadget>
<output>340</output>

<result>340</result>