Mr. Wang spent 10 yuan to buy fruit, and 2.45 yuan less to buy vegetables than to buy fruit. How much did Mr. Wang spend on vegetables?
王老师买水果用去10元，买蔬菜比买水果少用2.45元，王老师买蔬菜用去多少钱？
<gadget id="calculator">10 - 2.45</gadget>
<output>7.55</output>

<result>7.55</result>