The number A is 200, and the number B is 20% greater than the number A, what is the number B?
甲数是200，乙数比甲数大20%，乙数是多少．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">200 * (6/5)</gadget>
<output>240</output>

<result>240</result>