The difference of 3 times of a certain number minus 4.8 is equal to the sum of four consecutive additions of 0.3. Find this number.
某数的3倍减去4.8的差等于4个0.3连加的和．求这个数．
<gadget id="calculator">0.3 * 4</gadget>
<output>1.2</output>

<gadget id="calculator">1.2 + 4.8</gadget>
<output>6</output>

<gadget id="calculator">6 / 3</gadget>
<output>2</output>

<result>2</result>