Liu Ming and his younger brother had the same amount of pocket money. After Liu Ming spent 40 yuan and his younger brother spent 12 yuan, the younger brother’s money was 5 times that of Liu Ming’s. How much did Liu Ming have? (solution by equation)
刘明和弟弟的零花钱一样多，刘明用去40元，弟弟用去12元后，弟弟的钱是刘明的5倍，刘明原来有多少钱？(用方程解)
<gadget id="calculator">5 * 40</gadget>
<output>200</output>

<gadget id="calculator">200 - 12</gadget>
<output>188</output>

<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">188 / 4</gadget>
<output>47</output>

<result>47</result>