The quotient of dividing 3.5 by 17.5 is 0.2 more than 4 times of a number. Find this number?
3.5除17.5的商比一个数的4倍多0.2，求这个数？
<gadget id="calculator">17.5 / 3.5</gadget>
<output>5</output>

<gadget id="calculator">5 - 0.2</gadget>
<output>4.8</output>

<gadget id="calculator">4.8 / 4</gadget>
<output>1.2</output>

<result>1.2</result>