An apple weighs 25 kilograms, and the mass of a pear is 16 kilograms less than three times that of an apple. How many kilograms does a pear weigh?
苹果有25千克，梨的质量比苹果的3倍少16千克，梨有多少千克．
<gadget id="calculator">25 * 3</gadget>
<output>75</output>

<gadget id="calculator">75 - 16</gadget>
<output>59</output>

<result>59</result>