The fruit shop bought 36 boxes of apples and 36 boxes of pears. Each box of apples costs 40 yuan and each box of pears costs 45 yuan. How much more do pears cost than apples? (answer in two ways)
水果店买来36箱苹果和36箱梨，每箱苹果40元每箱梨45元，梨比苹果多用多少元？(用两种方法解答)
<gadget id="calculator">36 * 45</gadget>
<output>1_620</output>

<gadget id="calculator">36 * 40</gadget>
<output>1_440</output>

<gadget id="calculator">1_620 - 1_440</gadget>
<output>180</output>

<result>180</result>