The sum of A and B is 300, the number of A (2/5) is 55 more than the number of B (1/4), what is the number of A
甲、乙的和是300，甲数的(2/5)比乙数的(1/4)多55，甲数是多少
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(2/5) / (1/4) / (2/5)</gadget>
<output>4</output>

<gadget id="calculator">55 * 4</gadget>
<output>220</output>

<gadget id="calculator">300 - 220</gadget>
<output>80</output>

<gadget id="calculator">80 / (2/5)</gadget>
<output>200</output>

<result>200</result>