The fruit shop sells 3 boxes of pears. Each box weighs 20 kilograms, and the price per kilogram is 34 yuan. How much does it cost to sell pears?
水果店卖出3箱梨．每箱重20千克，每千克售价34元．卖梨收款多少元？
<gadget id="calculator">20 * 3</gadget>
<output>60</output>

<gadget id="calculator">34 * 60</gadget>
<output>2_040</output>

<result>2_040</result>