The sum of 6.4 times of a number and its 3.6 times is 48, find this number.
一个数的6.4倍与它的3.6倍的和是48，求这个数．
<gadget id="calculator">6.4 + 3.6</gadget>
<output>10</output>

<gadget id="calculator">48 / 10</gadget>
<output>24/5 = around 4.8</output>

<result>24/5 = around 4.8</result>