(1/5) of the number A is equal to (1/2) of the number B. Given that the number A is 120, what is the number B?
甲数的(1/5)与乙数的(1/2)相等，已知甲数是120，那么乙数是多少．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/5) / (1/2)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">120 * (2/5)</gadget>
<output>48</output>

<result>48</result>