The number A is 1.3 times the number B, so how much more is the number A than the B number?
甲数是乙数的1.3倍，那么甲数比乙数多多少．
<gadget id="calculator">1 * 1.3</gadget>
<output>1.3</output>

<gadget id="calculator">1.3 - 1</gadget>
<output>0.3</output>

<gadget id="calculator">0.3 / 1</gadget>
<output>0.3</output>

<result>0.3</result>