Mom bought 4 kilograms of apples and 300 grams of pears. How many kilograms of fruit did she buy in total?
妈妈买来4千克苹果，300克梨，一共买来多少千克水果？
<gadget id="calculator">300 / 1_000</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">4 + (3/10)</gadget>
<output>43/10 = around 4.3</output>

<result>43/10 = around 4.3</result>