The number A is 35, (3/7) of the number A is equal to (2/3) of the number B, what is the number B? (solution by equation)
甲数是35，甲数的(3/7)等于乙数的(2/3)，乙数是多少？(用方程解)
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">(3/7) * 35</gadget>
<output>15</output>

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

<gadget id="calculator">15 / (2/3)</gadget>
<output>45/2 = around 22.5</output>

<result>45/2 = around 22.5</result>