and B save a total of 620 yuan in the bank, A's savings (4/5) is equal to B's savings (3/4), how much more does B save than A?
甲乙两人在银行共储蓄620元，甲储蓄钱数的(4/5)等于乙储蓄钱数的(3/4)，乙比甲多储蓄多少元？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/4) * 620</gadget>
<output>465</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(4/5) + (3/4)</gadget>
<output>31/20 = around 1.55</output>

<gadget id="calculator">465 / (31/20)</gadget>
<output>300</output>

<gadget id="calculator">620 - 300 - 300</gadget>
<output>20</output>

<result>20</result>