If (2/5) of the number A is equal to (2/3) of the number B, what fraction of the number A is the number B?
若甲数的(2/5)与乙数的(2/3)相等，则甲数是乙数的几分之几？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(2/5) / (2/3) / 1</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 * (3/5)</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>