(1/7) of a peach is (3/4) of an apple. It is known that the weight of an apple is 12 kg. How much does the weight of a peach weigh?
桃子的(1/7)是苹果的(3/4)，已知苹果重12千克，桃子重多少千克．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">(3/4) / (1/7)</gadget>
<output>21/4 = around 5.25</output>

<gadget id="calculator">12 * (21/4)</gadget>
<output>63</output>

<result>63</result>