It is known that the number A is 1.4 times the number B, and the difference between the two numbers is 9.8, what is the number B?
已知甲数是乙数的1.4倍，两数相差9.8，则乙数是多少．
<gadget id="calculator">1.4 - 1</gadget>
<output>0.4</output>

<gadget id="calculator">9.8 / 0.4</gadget>
<output>24.5</output>

<result>24.5</result>