Honghong has 138 stamps, and Lili has four times as many stamps as Honghong. How many stamps does Honghong have less than Lili?
红红有138张邮票，丽丽的张数是红红的4倍，红红比丽丽少多少张邮票？
<gadget id="calculator">138 * 4</gadget>
<output>552</output>

<gadget id="calculator">552 - 138</gadget>
<output>414</output>

<result>414</result>