A ballpoint pen is 4.8 yuan, which is equivalent to 75% of the price of a pen. How much is the price of a pen?
一支圆珠笔4.8元，相当于一支钢笔价钱的75%，一支钢笔的价钱是多少元？
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">4.8 / (3/4)</gadget>
<output>6.4</output>

<result>6.4</result>