3.5 times of a number is 46 more than 1.2 times of this number, find this number.
一个数的3.5倍比这个数的1.2倍多46，求这个数．
<gadget id="calculator">3.5 - 1.2</gadget>
<output>2.3</output>

<gadget id="calculator">46 / 2.3</gadget>
<output>20</output>

<result>20</result>