The number of A is 360, which is 4 times of the number of B. What is the difference between the numbers of A and B?
甲数是360，是乙数的4倍，甲、乙两数相差多少？
<gadget id="calculator">360 / 4</gadget>
<output>90</output>

<gadget id="calculator">360 - 90</gadget>
<output>270</output>

<result>270</result>