4.4 times of a number plus 5.6 times of this number, the sum is 120, how to find this number?
一个数的4.4倍加上这个数的5.6倍，和是120，求这个数？
<gadget id="calculator">4.4 + 5.6</gadget>
<output>10</output>

<gadget id="calculator">120 / 10</gadget>
<output>12</output>

<result>12</result>