The fruit wholesale market shipped 7.2 tons of apples, 1.8 times that of pears. How many tons more apples than pears?
水果批发市场运进苹果7.2吨，是梨的1.8倍，苹果比梨多多少吨？
<gadget id="calculator">7.2 / 1.8</gadget>
<output>4</output>

<gadget id="calculator">7.2 - 4</gadget>
<output>3.2</output>

<result>3.2</result>