Pack 15kg of salt in one bag per (1/4) kg, how many bags can be packed?
将15kg的盐，每(1/4)kg装一包，可以装多少包？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">15 / (1/4)</gadget>
<output>60</output>

<result>60</result>