3.2 times of a number plus 4.8 is equal to 5 times of this number minus 2.4, find this number.
一个数的3.2倍加上4.8等于这个数的5倍减2.4，求这个数．
<gadget id="calculator">4.8 + 2.4</gadget>
<output>7.2</output>

<gadget id="calculator">5 - 3.2</gadget>
<output>1.8</output>

<gadget id="calculator">7.2 / 1.8</gadget>
<output>4</output>

<result>4</result>