One half of a number is 28 more than 140, what is this number
一个数的二分之一比140多28，这个数是多少
<gadget id="calculator">140 + 28</gadget>
<output>168</output>

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

<gadget id="calculator">168 / (1/2)</gadget>
<output>336</output>

<result>336</result>