A foreign reporter buys an oil pen and a fountain pen. The price of the oil pen is (21/25) yuan, which is exactly (2/3) of the price of the pen. How much is the price of the pen?
有一位外地记者买一支油笔和一支钢笔，油笔的价钱是(21/25)元，正好是钢笔价钱的(2/3)，钢笔的价钱是多少元？
<gadget id="calculator">21 / 25</gadget>
<output>21/25 = around 0.84</output>

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

<gadget id="calculator">(21/25) / (2/3)</gadget>
<output>63/50 = around 1.26</output>

<result>63/50 = around 1.26</result>